/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-15 14:56:44,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-15 14:56:44,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-15 14:56:44,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-15 14:56:44,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-15 14:56:44,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-15 14:56:44,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-15 14:56:44,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-15 14:56:44,318 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-15 14:56:44,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-15 14:56:44,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-15 14:56:44,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-15 14:56:44,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-15 14:56:44,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-15 14:56:44,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-15 14:56:44,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-15 14:56:44,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-15 14:56:44,321 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-15 14:56:44,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-15 14:56:44,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-15 14:56:44,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-15 14:56:44,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-15 14:56:44,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-15 14:56:44,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 14:56:44,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-15 14:56:44,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-15 14:56:44,322 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-15 14:56:44,323 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-15 14:56:44,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-15 14:56:44,323 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-15 14:56:44,323 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-15 14:56:44,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-15 14:56:44,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-15 14:56:44,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-15 14:56:44,553 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-15 14:56:44,554 INFO L275 PluginConnector]: CDTParser initialized [2022-04-15 14:56:44,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound5.c [2022-04-15 14:56:44,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ba2e37a1/168ee93bb6b44ae8a92d9005532bdfdc/FLAG378fbe33b [2022-04-15 14:56:44,977 INFO L306 CDTParser]: Found 1 translation units. [2022-04-15 14:56:44,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound5.c [2022-04-15 14:56:44,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ba2e37a1/168ee93bb6b44ae8a92d9005532bdfdc/FLAG378fbe33b [2022-04-15 14:56:44,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ba2e37a1/168ee93bb6b44ae8a92d9005532bdfdc [2022-04-15 14:56:44,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-15 14:56:44,995 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-15 14:56:44,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-15 14:56:44,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-15 14:56:45,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-15 14:56:45,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 02:56:44" (1/1) ... [2022-04-15 14:56:45,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a57e587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:45, skipping insertion in model container [2022-04-15 14:56:45,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 02:56:44" (1/1) ... [2022-04-15 14:56:45,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-15 14:56:45,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-15 14:56:45,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound5.c[490,503] [2022-04-15 14:56:45,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 14:56:45,259 INFO L203 MainTranslator]: Completed pre-run [2022-04-15 14:56:45,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound5.c[490,503] [2022-04-15 14:56:45,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 14:56:45,309 INFO L208 MainTranslator]: Completed translation [2022-04-15 14:56:45,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:45 WrapperNode [2022-04-15 14:56:45,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-15 14:56:45,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-15 14:56:45,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-15 14:56:45,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-15 14:56:45,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:45" (1/1) ... [2022-04-15 14:56:45,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:45" (1/1) ... [2022-04-15 14:56:45,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:45" (1/1) ... [2022-04-15 14:56:45,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:45" (1/1) ... [2022-04-15 14:56:45,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:45" (1/1) ... [2022-04-15 14:56:45,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:45" (1/1) ... [2022-04-15 14:56:45,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:45" (1/1) ... [2022-04-15 14:56:45,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-15 14:56:45,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-15 14:56:45,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-15 14:56:45,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-15 14:56:45,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:45" (1/1) ... [2022-04-15 14:56:45,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 14:56:45,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:56:45,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-15 14:56:45,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-15 14:56:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-15 14:56:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-15 14:56:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-15 14:56:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-15 14:56:45,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-15 14:56:45,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-15 14:56:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-15 14:56:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-15 14:56:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-15 14:56:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-15 14:56:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-15 14:56:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-15 14:56:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-15 14:56:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-15 14:56:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-15 14:56:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-15 14:56:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-15 14:56:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-15 14:56:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-15 14:56:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-15 14:56:45,493 INFO L234 CfgBuilder]: Building ICFG [2022-04-15 14:56:45,494 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-15 14:56:45,707 INFO L275 CfgBuilder]: Performing block encoding [2022-04-15 14:56:45,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-15 14:56:45,719 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-15 14:56:45,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 02:56:45 BoogieIcfgContainer [2022-04-15 14:56:45,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-15 14:56:45,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-15 14:56:45,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-15 14:56:45,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-15 14:56:45,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 02:56:44" (1/3) ... [2022-04-15 14:56:45,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce6cac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 02:56:45, skipping insertion in model container [2022-04-15 14:56:45,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:45" (2/3) ... [2022-04-15 14:56:45,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce6cac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 02:56:45, skipping insertion in model container [2022-04-15 14:56:45,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 02:56:45" (3/3) ... [2022-04-15 14:56:45,726 INFO L111 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound5.c [2022-04-15 14:56:45,730 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-15 14:56:45,730 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-15 14:56:45,773 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-15 14:56:45,781 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-15 14:56:45,781 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-15 14:56:45,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 20 states have (on average 1.45) internal successors, (29), 22 states have internal predecessors, (29), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-15 14:56:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-15 14:56:45,805 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:56:45,806 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 14:56:45,806 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:56:45,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:56:45,812 INFO L85 PathProgramCache]: Analyzing trace with hash -587582002, now seen corresponding path program 1 times [2022-04-15 14:56:45,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:45,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1406272513] [2022-04-15 14:56:45,825 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:56:45,825 INFO L85 PathProgramCache]: Analyzing trace with hash -587582002, now seen corresponding path program 2 times [2022-04-15 14:56:45,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:56:45,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036361491] [2022-04-15 14:56:45,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:56:45,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:56:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:46,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 14:56:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:46,060 INFO L290 TraceCheckUtils]: 0: Hoare triple {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {43#true} is VALID [2022-04-15 14:56:46,060 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume true; {43#true} is VALID [2022-04-15 14:56:46,061 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {43#true} {43#true} #103#return; {43#true} is VALID [2022-04-15 14:56:46,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-15 14:56:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:46,087 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:46,088 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:46,088 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:46,088 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {43#true} #79#return; {44#false} is VALID [2022-04-15 14:56:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-15 14:56:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:46,098 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:46,098 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:46,099 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:46,099 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #81#return; {44#false} is VALID [2022-04-15 14:56:46,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-04-15 14:56:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:46,110 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:46,110 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:46,111 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:46,111 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #83#return; {44#false} is VALID [2022-04-15 14:56:46,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-04-15 14:56:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:46,132 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:46,133 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:46,133 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:46,133 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #85#return; {44#false} is VALID [2022-04-15 14:56:46,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-15 14:56:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:46,142 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:46,142 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:46,142 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:46,143 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #87#return; {44#false} is VALID [2022-04-15 14:56:46,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-04-15 14:56:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:46,158 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:46,158 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:46,158 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:46,159 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #89#return; {44#false} is VALID [2022-04-15 14:56:46,160 INFO L272 TraceCheckUtils]: 0: Hoare triple {43#true} call ULTIMATE.init(); {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 14:56:46,160 INFO L290 TraceCheckUtils]: 1: Hoare triple {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {43#true} is VALID [2022-04-15 14:56:46,160 INFO L290 TraceCheckUtils]: 2: Hoare triple {43#true} assume true; {43#true} is VALID [2022-04-15 14:56:46,160 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43#true} {43#true} #103#return; {43#true} is VALID [2022-04-15 14:56:46,160 INFO L272 TraceCheckUtils]: 4: Hoare triple {43#true} call #t~ret6 := main(); {43#true} is VALID [2022-04-15 14:56:46,161 INFO L290 TraceCheckUtils]: 5: Hoare triple {43#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {43#true} is VALID [2022-04-15 14:56:46,161 INFO L272 TraceCheckUtils]: 6: Hoare triple {43#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {43#true} is VALID [2022-04-15 14:56:46,161 INFO L290 TraceCheckUtils]: 7: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:46,163 INFO L290 TraceCheckUtils]: 8: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:46,163 INFO L290 TraceCheckUtils]: 9: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:46,163 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {44#false} {43#true} #79#return; {44#false} is VALID [2022-04-15 14:56:46,163 INFO L290 TraceCheckUtils]: 11: Hoare triple {44#false} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {44#false} is VALID [2022-04-15 14:56:46,163 INFO L272 TraceCheckUtils]: 12: Hoare triple {44#false} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {43#true} is VALID [2022-04-15 14:56:46,164 INFO L290 TraceCheckUtils]: 13: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:46,164 INFO L290 TraceCheckUtils]: 14: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:46,165 INFO L290 TraceCheckUtils]: 15: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:46,165 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {44#false} {44#false} #81#return; {44#false} is VALID [2022-04-15 14:56:46,165 INFO L272 TraceCheckUtils]: 17: Hoare triple {44#false} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {43#true} is VALID [2022-04-15 14:56:46,165 INFO L290 TraceCheckUtils]: 18: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:46,166 INFO L290 TraceCheckUtils]: 19: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:46,168 INFO L290 TraceCheckUtils]: 20: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:46,169 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {44#false} {44#false} #83#return; {44#false} is VALID [2022-04-15 14:56:46,169 INFO L272 TraceCheckUtils]: 22: Hoare triple {44#false} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {43#true} is VALID [2022-04-15 14:56:46,169 INFO L290 TraceCheckUtils]: 23: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:46,171 INFO L290 TraceCheckUtils]: 24: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:46,171 INFO L290 TraceCheckUtils]: 25: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:46,172 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {44#false} {44#false} #85#return; {44#false} is VALID [2022-04-15 14:56:46,172 INFO L290 TraceCheckUtils]: 27: Hoare triple {44#false} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {44#false} is VALID [2022-04-15 14:56:46,172 INFO L272 TraceCheckUtils]: 28: Hoare triple {44#false} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {43#true} is VALID [2022-04-15 14:56:46,172 INFO L290 TraceCheckUtils]: 29: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:46,174 INFO L290 TraceCheckUtils]: 30: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:46,175 INFO L290 TraceCheckUtils]: 31: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:46,175 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {44#false} {44#false} #87#return; {44#false} is VALID [2022-04-15 14:56:46,175 INFO L272 TraceCheckUtils]: 33: Hoare triple {44#false} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {43#true} is VALID [2022-04-15 14:56:46,175 INFO L290 TraceCheckUtils]: 34: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:46,176 INFO L290 TraceCheckUtils]: 35: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:46,176 INFO L290 TraceCheckUtils]: 36: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:46,176 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {44#false} {44#false} #89#return; {44#false} is VALID [2022-04-15 14:56:46,177 INFO L290 TraceCheckUtils]: 38: Hoare triple {44#false} assume !true; {44#false} is VALID [2022-04-15 14:56:46,177 INFO L272 TraceCheckUtils]: 39: Hoare triple {44#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {44#false} is VALID [2022-04-15 14:56:46,177 INFO L290 TraceCheckUtils]: 40: Hoare triple {44#false} ~cond := #in~cond; {44#false} is VALID [2022-04-15 14:56:46,178 INFO L290 TraceCheckUtils]: 41: Hoare triple {44#false} assume 0 == ~cond; {44#false} is VALID [2022-04-15 14:56:46,178 INFO L290 TraceCheckUtils]: 42: Hoare triple {44#false} assume !false; {44#false} is VALID [2022-04-15 14:56:46,180 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-15 14:56:46,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:56:46,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036361491] [2022-04-15 14:56:46,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036361491] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:46,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:46,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-15 14:56:46,184 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:56:46,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1406272513] [2022-04-15 14:56:46,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1406272513] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:46,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:46,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-15 14:56:46,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429557489] [2022-04-15 14:56:46,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:56:46,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-04-15 14:56:46,190 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:56:46,196 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-15 14:56:46,256 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:46,256 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-15 14:56:46,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:46,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-15 14:56:46,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-15 14:56:46,276 INFO L87 Difference]: Start difference. First operand has 40 states, 20 states have (on average 1.45) internal successors, (29), 22 states have internal predecessors, (29), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-15 14:56:46,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:46,502 INFO L93 Difference]: Finished difference Result 73 states and 118 transitions. [2022-04-15 14:56:46,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-15 14:56:46,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-04-15 14:56:46,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:56:46,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-15 14:56:46,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-04-15 14:56:46,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-15 14:56:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-04-15 14:56:46,522 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 118 transitions. [2022-04-15 14:56:46,672 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 118 edges. 118 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:46,683 INFO L225 Difference]: With dead ends: 73 [2022-04-15 14:56:46,684 INFO L226 Difference]: Without dead ends: 35 [2022-04-15 14:56:46,687 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-15 14:56:46,692 INFO L913 BasicCegarLoop]: 39 mSDtfsCounter, 20 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 14:56:46,694 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 42 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 14:56:46,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-15 14:56:46,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-04-15 14:56:46,729 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:56:46,731 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 35 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-15 14:56:46,732 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 35 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-15 14:56:46,733 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 35 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-15 14:56:46,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:46,746 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-15 14:56:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-15 14:56:46,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:46,748 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:46,748 INFO L74 IsIncluded]: Start isIncluded. First operand has 35 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand 35 states. [2022-04-15 14:56:46,749 INFO L87 Difference]: Start difference. First operand has 35 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand 35 states. [2022-04-15 14:56:46,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:46,756 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-15 14:56:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-15 14:56:46,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:46,758 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:46,758 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:56:46,758 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:56:46,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-15 14:56:46,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2022-04-15 14:56:46,762 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 43 [2022-04-15 14:56:46,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:56:46,763 INFO L478 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2022-04-15 14:56:46,763 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-15 14:56:46,763 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 35 states and 46 transitions. [2022-04-15 14:56:46,817 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:46,818 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-15 14:56:46,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-15 14:56:46,825 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:56:46,825 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 14:56:46,826 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-15 14:56:46,826 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:56:46,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:56:46,827 INFO L85 PathProgramCache]: Analyzing trace with hash 987777007, now seen corresponding path program 1 times [2022-04-15 14:56:46,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:46,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1578064722] [2022-04-15 14:56:46,828 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:56:46,828 INFO L85 PathProgramCache]: Analyzing trace with hash 987777007, now seen corresponding path program 2 times [2022-04-15 14:56:46,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:56:46,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21775715] [2022-04-15 14:56:46,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:56:46,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:56:46,872 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:56:46,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [235552165] [2022-04-15 14:56:46,873 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:56:46,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:56:46,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:56:46,879 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 14:56:46,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-15 14:56:46,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:56:46,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:56:46,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-15 14:56:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:47,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:56:47,273 INFO L272 TraceCheckUtils]: 0: Hoare triple {361#true} call ULTIMATE.init(); {361#true} is VALID [2022-04-15 14:56:47,273 INFO L290 TraceCheckUtils]: 1: Hoare triple {361#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {361#true} is VALID [2022-04-15 14:56:47,273 INFO L290 TraceCheckUtils]: 2: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:47,273 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {361#true} {361#true} #103#return; {361#true} is VALID [2022-04-15 14:56:47,274 INFO L272 TraceCheckUtils]: 4: Hoare triple {361#true} call #t~ret6 := main(); {361#true} is VALID [2022-04-15 14:56:47,274 INFO L290 TraceCheckUtils]: 5: Hoare triple {361#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {361#true} is VALID [2022-04-15 14:56:47,274 INFO L272 TraceCheckUtils]: 6: Hoare triple {361#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {361#true} is VALID [2022-04-15 14:56:47,274 INFO L290 TraceCheckUtils]: 7: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:47,274 INFO L290 TraceCheckUtils]: 8: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:47,275 INFO L290 TraceCheckUtils]: 9: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:47,275 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {361#true} {361#true} #79#return; {361#true} is VALID [2022-04-15 14:56:47,275 INFO L290 TraceCheckUtils]: 11: Hoare triple {361#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {361#true} is VALID [2022-04-15 14:56:47,275 INFO L272 TraceCheckUtils]: 12: Hoare triple {361#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {361#true} is VALID [2022-04-15 14:56:47,275 INFO L290 TraceCheckUtils]: 13: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:47,276 INFO L290 TraceCheckUtils]: 14: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:47,276 INFO L290 TraceCheckUtils]: 15: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:47,276 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {361#true} {361#true} #81#return; {361#true} is VALID [2022-04-15 14:56:47,276 INFO L272 TraceCheckUtils]: 17: Hoare triple {361#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {361#true} is VALID [2022-04-15 14:56:47,276 INFO L290 TraceCheckUtils]: 18: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:47,277 INFO L290 TraceCheckUtils]: 19: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:47,277 INFO L290 TraceCheckUtils]: 20: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:47,277 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {361#true} {361#true} #83#return; {361#true} is VALID [2022-04-15 14:56:47,277 INFO L272 TraceCheckUtils]: 22: Hoare triple {361#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {361#true} is VALID [2022-04-15 14:56:47,278 INFO L290 TraceCheckUtils]: 23: Hoare triple {361#true} ~cond := #in~cond; {435#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-15 14:56:47,278 INFO L290 TraceCheckUtils]: 24: Hoare triple {435#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {439#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 14:56:47,279 INFO L290 TraceCheckUtils]: 25: Hoare triple {439#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {439#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 14:56:47,280 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {439#(not (= |assume_abort_if_not_#in~cond| 0))} {361#true} #85#return; {446#(<= 1 main_~y~0)} is VALID [2022-04-15 14:56:47,280 INFO L290 TraceCheckUtils]: 27: Hoare triple {446#(<= 1 main_~y~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 14:56:47,280 INFO L272 TraceCheckUtils]: 28: Hoare triple {450#(<= 1 main_~b~0)} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {361#true} is VALID [2022-04-15 14:56:47,281 INFO L290 TraceCheckUtils]: 29: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:47,281 INFO L290 TraceCheckUtils]: 30: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:47,281 INFO L290 TraceCheckUtils]: 31: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:47,282 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #87#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 14:56:47,282 INFO L272 TraceCheckUtils]: 33: Hoare triple {450#(<= 1 main_~b~0)} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {361#true} is VALID [2022-04-15 14:56:47,282 INFO L290 TraceCheckUtils]: 34: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:47,282 INFO L290 TraceCheckUtils]: 35: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:47,282 INFO L290 TraceCheckUtils]: 36: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:47,283 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #89#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 14:56:47,284 INFO L290 TraceCheckUtils]: 38: Hoare triple {450#(<= 1 main_~b~0)} assume !false; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 14:56:47,284 INFO L290 TraceCheckUtils]: 39: Hoare triple {450#(<= 1 main_~b~0)} assume !(0 != ~b~0); {362#false} is VALID [2022-04-15 14:56:47,284 INFO L272 TraceCheckUtils]: 40: Hoare triple {362#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {362#false} is VALID [2022-04-15 14:56:47,285 INFO L290 TraceCheckUtils]: 41: Hoare triple {362#false} ~cond := #in~cond; {362#false} is VALID [2022-04-15 14:56:47,285 INFO L290 TraceCheckUtils]: 42: Hoare triple {362#false} assume 0 == ~cond; {362#false} is VALID [2022-04-15 14:56:47,285 INFO L290 TraceCheckUtils]: 43: Hoare triple {362#false} assume !false; {362#false} is VALID [2022-04-15 14:56:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-04-15 14:56:47,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:56:47,539 INFO L290 TraceCheckUtils]: 43: Hoare triple {362#false} assume !false; {362#false} is VALID [2022-04-15 14:56:47,540 INFO L290 TraceCheckUtils]: 42: Hoare triple {362#false} assume 0 == ~cond; {362#false} is VALID [2022-04-15 14:56:47,540 INFO L290 TraceCheckUtils]: 41: Hoare triple {362#false} ~cond := #in~cond; {362#false} is VALID [2022-04-15 14:56:47,540 INFO L272 TraceCheckUtils]: 40: Hoare triple {362#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {362#false} is VALID [2022-04-15 14:56:47,543 INFO L290 TraceCheckUtils]: 39: Hoare triple {450#(<= 1 main_~b~0)} assume !(0 != ~b~0); {362#false} is VALID [2022-04-15 14:56:47,544 INFO L290 TraceCheckUtils]: 38: Hoare triple {450#(<= 1 main_~b~0)} assume !false; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 14:56:47,544 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #89#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 14:56:47,545 INFO L290 TraceCheckUtils]: 36: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:47,545 INFO L290 TraceCheckUtils]: 35: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:47,545 INFO L290 TraceCheckUtils]: 34: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:47,545 INFO L272 TraceCheckUtils]: 33: Hoare triple {450#(<= 1 main_~b~0)} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {361#true} is VALID [2022-04-15 14:56:47,546 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #87#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 14:56:47,546 INFO L290 TraceCheckUtils]: 31: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:47,546 INFO L290 TraceCheckUtils]: 30: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:47,546 INFO L290 TraceCheckUtils]: 29: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:47,547 INFO L272 TraceCheckUtils]: 28: Hoare triple {450#(<= 1 main_~b~0)} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {361#true} is VALID [2022-04-15 14:56:47,547 INFO L290 TraceCheckUtils]: 27: Hoare triple {446#(<= 1 main_~y~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 14:56:47,548 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {439#(not (= |assume_abort_if_not_#in~cond| 0))} {361#true} #85#return; {446#(<= 1 main_~y~0)} is VALID [2022-04-15 14:56:47,548 INFO L290 TraceCheckUtils]: 25: Hoare triple {439#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {439#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 14:56:47,549 INFO L290 TraceCheckUtils]: 24: Hoare triple {559#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} assume !(0 == ~cond); {439#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 14:56:47,550 INFO L290 TraceCheckUtils]: 23: Hoare triple {361#true} ~cond := #in~cond; {559#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} is VALID [2022-04-15 14:56:47,550 INFO L272 TraceCheckUtils]: 22: Hoare triple {361#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {361#true} is VALID [2022-04-15 14:56:47,550 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {361#true} {361#true} #83#return; {361#true} is VALID [2022-04-15 14:56:47,550 INFO L290 TraceCheckUtils]: 20: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:47,550 INFO L290 TraceCheckUtils]: 19: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:47,551 INFO L290 TraceCheckUtils]: 18: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:47,551 INFO L272 TraceCheckUtils]: 17: Hoare triple {361#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {361#true} is VALID [2022-04-15 14:56:47,551 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {361#true} {361#true} #81#return; {361#true} is VALID [2022-04-15 14:56:47,551 INFO L290 TraceCheckUtils]: 15: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:47,551 INFO L290 TraceCheckUtils]: 14: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:47,552 INFO L290 TraceCheckUtils]: 13: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:47,552 INFO L272 TraceCheckUtils]: 12: Hoare triple {361#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {361#true} is VALID [2022-04-15 14:56:47,552 INFO L290 TraceCheckUtils]: 11: Hoare triple {361#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {361#true} is VALID [2022-04-15 14:56:47,552 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {361#true} {361#true} #79#return; {361#true} is VALID [2022-04-15 14:56:47,552 INFO L290 TraceCheckUtils]: 9: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:47,553 INFO L290 TraceCheckUtils]: 8: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:47,553 INFO L290 TraceCheckUtils]: 7: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:47,553 INFO L272 TraceCheckUtils]: 6: Hoare triple {361#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {361#true} is VALID [2022-04-15 14:56:47,553 INFO L290 TraceCheckUtils]: 5: Hoare triple {361#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {361#true} is VALID [2022-04-15 14:56:47,553 INFO L272 TraceCheckUtils]: 4: Hoare triple {361#true} call #t~ret6 := main(); {361#true} is VALID [2022-04-15 14:56:47,554 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {361#true} {361#true} #103#return; {361#true} is VALID [2022-04-15 14:56:47,554 INFO L290 TraceCheckUtils]: 2: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:47,554 INFO L290 TraceCheckUtils]: 1: Hoare triple {361#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {361#true} is VALID [2022-04-15 14:56:47,554 INFO L272 TraceCheckUtils]: 0: Hoare triple {361#true} call ULTIMATE.init(); {361#true} is VALID [2022-04-15 14:56:47,555 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-04-15 14:56:47,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:56:47,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21775715] [2022-04-15 14:56:47,555 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:56:47,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235552165] [2022-04-15 14:56:47,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235552165] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 14:56:47,556 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 14:56:47,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2022-04-15 14:56:47,557 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:56:47,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1578064722] [2022-04-15 14:56:47,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1578064722] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:47,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:47,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-15 14:56:47,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970792794] [2022-04-15 14:56:47,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:56:47,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 44 [2022-04-15 14:56:47,559 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:56:47,559 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-15 14:56:47,588 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:47,588 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-15 14:56:47,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:47,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-15 14:56:47,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-15 14:56:47,589 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-15 14:56:47,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:47,973 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2022-04-15 14:56:47,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-15 14:56:47,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 44 [2022-04-15 14:56:47,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:56:47,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-15 14:56:47,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2022-04-15 14:56:47,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-15 14:56:47,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2022-04-15 14:56:47,980 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 69 transitions. [2022-04-15 14:56:48,039 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:48,042 INFO L225 Difference]: With dead ends: 52 [2022-04-15 14:56:48,042 INFO L226 Difference]: Without dead ends: 44 [2022-04-15 14:56:48,042 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-04-15 14:56:48,043 INFO L913 BasicCegarLoop]: 38 mSDtfsCounter, 19 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 14:56:48,044 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 128 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 14:56:48,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-04-15 14:56:48,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2022-04-15 14:56:48,064 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:56:48,065 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand has 37 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-15 14:56:48,065 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand has 37 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-15 14:56:48,066 INFO L87 Difference]: Start difference. First operand 44 states. Second operand has 37 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-15 14:56:48,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:48,070 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2022-04-15 14:56:48,070 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-04-15 14:56:48,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:48,070 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:48,071 INFO L74 IsIncluded]: Start isIncluded. First operand has 37 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand 44 states. [2022-04-15 14:56:48,071 INFO L87 Difference]: Start difference. First operand has 37 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand 44 states. [2022-04-15 14:56:48,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:48,075 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2022-04-15 14:56:48,075 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-04-15 14:56:48,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:48,075 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:48,076 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:56:48,076 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:56:48,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-15 14:56:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2022-04-15 14:56:48,078 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 44 [2022-04-15 14:56:48,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:56:48,079 INFO L478 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2022-04-15 14:56:48,079 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-15 14:56:48,079 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 37 states and 48 transitions. [2022-04-15 14:56:48,134 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-04-15 14:56:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-15 14:56:48,136 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:56:48,136 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 14:56:48,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-15 14:56:48,351 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:56:48,352 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:56:48,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:56:48,352 INFO L85 PathProgramCache]: Analyzing trace with hash 561616070, now seen corresponding path program 1 times [2022-04-15 14:56:48,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:48,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [98107860] [2022-04-15 14:56:48,353 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:56:48,354 INFO L85 PathProgramCache]: Analyzing trace with hash 561616070, now seen corresponding path program 2 times [2022-04-15 14:56:48,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:56:48,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562824270] [2022-04-15 14:56:48,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:56:48,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:56:48,384 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:56:48,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [807444599] [2022-04-15 14:56:48,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:56:48,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:56:48,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:56:48,386 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 14:56:48,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-15 14:56:48,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-15 14:56:48,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:56:48,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2022-04-15 14:56:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:48,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:56:48,565 INFO L272 TraceCheckUtils]: 0: Hoare triple {901#true} call ULTIMATE.init(); {901#true} is VALID [2022-04-15 14:56:48,566 INFO L290 TraceCheckUtils]: 1: Hoare triple {901#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {901#true} is VALID [2022-04-15 14:56:48,566 INFO L290 TraceCheckUtils]: 2: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 14:56:48,566 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {901#true} {901#true} #103#return; {901#true} is VALID [2022-04-15 14:56:48,566 INFO L272 TraceCheckUtils]: 4: Hoare triple {901#true} call #t~ret6 := main(); {901#true} is VALID [2022-04-15 14:56:48,566 INFO L290 TraceCheckUtils]: 5: Hoare triple {901#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {901#true} is VALID [2022-04-15 14:56:48,566 INFO L272 TraceCheckUtils]: 6: Hoare triple {901#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {901#true} is VALID [2022-04-15 14:56:48,567 INFO L290 TraceCheckUtils]: 7: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 14:56:48,567 INFO L290 TraceCheckUtils]: 8: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 14:56:48,567 INFO L290 TraceCheckUtils]: 9: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 14:56:48,567 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {901#true} {901#true} #79#return; {901#true} is VALID [2022-04-15 14:56:48,567 INFO L290 TraceCheckUtils]: 11: Hoare triple {901#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {901#true} is VALID [2022-04-15 14:56:48,568 INFO L272 TraceCheckUtils]: 12: Hoare triple {901#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {901#true} is VALID [2022-04-15 14:56:48,568 INFO L290 TraceCheckUtils]: 13: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 14:56:48,568 INFO L290 TraceCheckUtils]: 14: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 14:56:48,568 INFO L290 TraceCheckUtils]: 15: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 14:56:48,568 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {901#true} {901#true} #81#return; {901#true} is VALID [2022-04-15 14:56:48,568 INFO L272 TraceCheckUtils]: 17: Hoare triple {901#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {901#true} is VALID [2022-04-15 14:56:48,569 INFO L290 TraceCheckUtils]: 18: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 14:56:48,569 INFO L290 TraceCheckUtils]: 19: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 14:56:48,569 INFO L290 TraceCheckUtils]: 20: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 14:56:48,569 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {901#true} {901#true} #83#return; {901#true} is VALID [2022-04-15 14:56:48,569 INFO L272 TraceCheckUtils]: 22: Hoare triple {901#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {901#true} is VALID [2022-04-15 14:56:48,569 INFO L290 TraceCheckUtils]: 23: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 14:56:48,570 INFO L290 TraceCheckUtils]: 24: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 14:56:48,570 INFO L290 TraceCheckUtils]: 25: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 14:56:48,570 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {901#true} {901#true} #85#return; {901#true} is VALID [2022-04-15 14:56:48,570 INFO L290 TraceCheckUtils]: 27: Hoare triple {901#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {901#true} is VALID [2022-04-15 14:56:48,570 INFO L272 TraceCheckUtils]: 28: Hoare triple {901#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {901#true} is VALID [2022-04-15 14:56:48,570 INFO L290 TraceCheckUtils]: 29: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 14:56:48,571 INFO L290 TraceCheckUtils]: 30: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 14:56:48,571 INFO L290 TraceCheckUtils]: 31: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 14:56:48,571 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {901#true} {901#true} #87#return; {901#true} is VALID [2022-04-15 14:56:48,571 INFO L272 TraceCheckUtils]: 33: Hoare triple {901#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {901#true} is VALID [2022-04-15 14:56:48,571 INFO L290 TraceCheckUtils]: 34: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 14:56:48,571 INFO L290 TraceCheckUtils]: 35: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 14:56:48,572 INFO L290 TraceCheckUtils]: 36: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 14:56:48,572 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {901#true} {901#true} #89#return; {901#true} is VALID [2022-04-15 14:56:48,572 INFO L290 TraceCheckUtils]: 38: Hoare triple {901#true} assume !false; {901#true} is VALID [2022-04-15 14:56:48,573 INFO L290 TraceCheckUtils]: 39: Hoare triple {901#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {1023#(and (= main_~c~0 main_~a~0) (= main_~k~0 0) (not (= main_~b~0 0)))} is VALID [2022-04-15 14:56:48,573 INFO L290 TraceCheckUtils]: 40: Hoare triple {1023#(and (= main_~c~0 main_~a~0) (= main_~k~0 0) (not (= main_~b~0 0)))} assume !false; {1023#(and (= main_~c~0 main_~a~0) (= main_~k~0 0) (not (= main_~b~0 0)))} is VALID [2022-04-15 14:56:48,574 INFO L272 TraceCheckUtils]: 41: Hoare triple {1023#(and (= main_~c~0 main_~a~0) (= main_~k~0 0) (not (= main_~b~0 0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {1030#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 14:56:48,574 INFO L290 TraceCheckUtils]: 42: Hoare triple {1030#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {1034#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:56:48,575 INFO L290 TraceCheckUtils]: 43: Hoare triple {1034#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {902#false} is VALID [2022-04-15 14:56:48,575 INFO L290 TraceCheckUtils]: 44: Hoare triple {902#false} assume !false; {902#false} is VALID [2022-04-15 14:56:48,575 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-15 14:56:48,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 14:56:48,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:56:48,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562824270] [2022-04-15 14:56:48,576 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:56:48,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807444599] [2022-04-15 14:56:48,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807444599] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:48,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:48,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:56:48,577 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:56:48,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [98107860] [2022-04-15 14:56:48,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [98107860] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:48,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:48,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:56:48,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391200390] [2022-04-15 14:56:48,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:56:48,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 45 [2022-04-15 14:56:48,578 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:56:48,578 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-15 14:56:48,608 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:48,608 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 14:56:48,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:48,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 14:56:48,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 14:56:48,609 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-15 14:56:48,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:48,833 INFO L93 Difference]: Finished difference Result 50 states and 65 transitions. [2022-04-15 14:56:48,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 14:56:48,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 45 [2022-04-15 14:56:48,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:56:48,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-15 14:56:48,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 63 transitions. [2022-04-15 14:56:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-15 14:56:48,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 63 transitions. [2022-04-15 14:56:48,839 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 63 transitions. [2022-04-15 14:56:48,888 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:48,889 INFO L225 Difference]: With dead ends: 50 [2022-04-15 14:56:48,889 INFO L226 Difference]: Without dead ends: 48 [2022-04-15 14:56:48,890 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-15 14:56:48,891 INFO L913 BasicCegarLoop]: 44 mSDtfsCounter, 6 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 14:56:48,891 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 154 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 14:56:48,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-04-15 14:56:48,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 43. [2022-04-15 14:56:48,915 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:56:48,915 INFO L82 GeneralOperation]: Start isEquivalent. First operand 48 states. Second operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 15 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-15 14:56:48,916 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 15 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-15 14:56:48,916 INFO L87 Difference]: Start difference. First operand 48 states. Second operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 15 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-15 14:56:48,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:48,920 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-04-15 14:56:48,920 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-04-15 14:56:48,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:48,920 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:48,921 INFO L74 IsIncluded]: Start isIncluded. First operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 15 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) Second operand 48 states. [2022-04-15 14:56:48,921 INFO L87 Difference]: Start difference. First operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 15 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) Second operand 48 states. [2022-04-15 14:56:48,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:48,938 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-04-15 14:56:48,938 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-04-15 14:56:48,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:48,938 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:48,939 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:56:48,939 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:56:48,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 15 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-15 14:56:48,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2022-04-15 14:56:48,942 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 45 [2022-04-15 14:56:48,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:56:48,942 INFO L478 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-04-15 14:56:48,942 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-15 14:56:48,942 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 43 states and 54 transitions. [2022-04-15 14:56:48,997 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:48,997 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-04-15 14:56:48,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-15 14:56:48,998 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:56:48,998 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 14:56:49,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-15 14:56:49,211 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-15 14:56:49,211 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:56:49,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:56:49,212 INFO L85 PathProgramCache]: Analyzing trace with hash -680064098, now seen corresponding path program 1 times [2022-04-15 14:56:49,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:49,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [270664743] [2022-04-15 14:56:49,213 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:56:49,213 INFO L85 PathProgramCache]: Analyzing trace with hash -680064098, now seen corresponding path program 2 times [2022-04-15 14:56:49,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:56:49,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037235728] [2022-04-15 14:56:49,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:56:49,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:56:49,235 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:56:49,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [789130886] [2022-04-15 14:56:49,235 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:56:49,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:56:49,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:56:49,239 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 14:56:49,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-15 14:56:49,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:56:49,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:56:49,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-15 14:56:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:49,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:56:49,526 INFO L272 TraceCheckUtils]: 0: Hoare triple {1324#true} call ULTIMATE.init(); {1324#true} is VALID [2022-04-15 14:56:49,526 INFO L290 TraceCheckUtils]: 1: Hoare triple {1324#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {1324#true} is VALID [2022-04-15 14:56:49,527 INFO L290 TraceCheckUtils]: 2: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:49,527 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1324#true} {1324#true} #103#return; {1324#true} is VALID [2022-04-15 14:56:49,527 INFO L272 TraceCheckUtils]: 4: Hoare triple {1324#true} call #t~ret6 := main(); {1324#true} is VALID [2022-04-15 14:56:49,527 INFO L290 TraceCheckUtils]: 5: Hoare triple {1324#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {1324#true} is VALID [2022-04-15 14:56:49,527 INFO L272 TraceCheckUtils]: 6: Hoare triple {1324#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {1324#true} is VALID [2022-04-15 14:56:49,527 INFO L290 TraceCheckUtils]: 7: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 14:56:49,528 INFO L290 TraceCheckUtils]: 8: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 14:56:49,528 INFO L290 TraceCheckUtils]: 9: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:49,528 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1324#true} {1324#true} #79#return; {1324#true} is VALID [2022-04-15 14:56:49,528 INFO L290 TraceCheckUtils]: 11: Hoare triple {1324#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {1324#true} is VALID [2022-04-15 14:56:49,528 INFO L272 TraceCheckUtils]: 12: Hoare triple {1324#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {1324#true} is VALID [2022-04-15 14:56:49,528 INFO L290 TraceCheckUtils]: 13: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 14:56:49,529 INFO L290 TraceCheckUtils]: 14: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 14:56:49,529 INFO L290 TraceCheckUtils]: 15: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:49,529 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {1324#true} {1324#true} #81#return; {1324#true} is VALID [2022-04-15 14:56:49,529 INFO L272 TraceCheckUtils]: 17: Hoare triple {1324#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {1324#true} is VALID [2022-04-15 14:56:49,529 INFO L290 TraceCheckUtils]: 18: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 14:56:49,529 INFO L290 TraceCheckUtils]: 19: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 14:56:49,532 INFO L290 TraceCheckUtils]: 20: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:49,532 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1324#true} {1324#true} #83#return; {1324#true} is VALID [2022-04-15 14:56:49,532 INFO L272 TraceCheckUtils]: 22: Hoare triple {1324#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {1324#true} is VALID [2022-04-15 14:56:49,533 INFO L290 TraceCheckUtils]: 23: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 14:56:49,533 INFO L290 TraceCheckUtils]: 24: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 14:56:49,534 INFO L290 TraceCheckUtils]: 25: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:49,534 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1324#true} {1324#true} #85#return; {1324#true} is VALID [2022-04-15 14:56:49,535 INFO L290 TraceCheckUtils]: 27: Hoare triple {1324#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:56:49,535 INFO L272 TraceCheckUtils]: 28: Hoare triple {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {1324#true} is VALID [2022-04-15 14:56:49,535 INFO L290 TraceCheckUtils]: 29: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 14:56:49,535 INFO L290 TraceCheckUtils]: 30: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 14:56:49,536 INFO L290 TraceCheckUtils]: 31: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:49,537 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {1324#true} {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:56:49,537 INFO L272 TraceCheckUtils]: 33: Hoare triple {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {1324#true} is VALID [2022-04-15 14:56:49,537 INFO L290 TraceCheckUtils]: 34: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 14:56:49,537 INFO L290 TraceCheckUtils]: 35: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 14:56:49,543 INFO L290 TraceCheckUtils]: 36: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:49,544 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {1324#true} {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:56:49,546 INFO L290 TraceCheckUtils]: 38: Hoare triple {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:56:49,547 INFO L290 TraceCheckUtils]: 39: Hoare triple {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:56:49,550 INFO L290 TraceCheckUtils]: 40: Hoare triple {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:56:49,550 INFO L272 TraceCheckUtils]: 41: Hoare triple {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {1324#true} is VALID [2022-04-15 14:56:49,550 INFO L290 TraceCheckUtils]: 42: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 14:56:49,550 INFO L290 TraceCheckUtils]: 43: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 14:56:49,551 INFO L290 TraceCheckUtils]: 44: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:49,552 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {1324#true} {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:56:49,553 INFO L272 TraceCheckUtils]: 46: Hoare triple {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {1468#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 14:56:49,554 INFO L290 TraceCheckUtils]: 47: Hoare triple {1468#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {1472#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:56:49,555 INFO L290 TraceCheckUtils]: 48: Hoare triple {1472#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {1325#false} is VALID [2022-04-15 14:56:49,555 INFO L290 TraceCheckUtils]: 49: Hoare triple {1325#false} assume !false; {1325#false} is VALID [2022-04-15 14:56:49,556 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-15 14:56:49,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 14:56:49,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:56:49,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037235728] [2022-04-15 14:56:49,557 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:56:49,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789130886] [2022-04-15 14:56:49,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789130886] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:49,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:49,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:56:49,557 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:56:49,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [270664743] [2022-04-15 14:56:49,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [270664743] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:49,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:49,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:56:49,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701770732] [2022-04-15 14:56:49,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:56:49,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 50 [2022-04-15 14:56:49,559 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:56:49,559 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-04-15 14:56:49,587 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:49,588 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 14:56:49,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:49,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 14:56:49,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 14:56:49,589 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-04-15 14:56:49,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:49,836 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2022-04-15 14:56:49,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 14:56:49,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 50 [2022-04-15 14:56:49,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:56:49,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-04-15 14:56:49,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-15 14:56:49,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-04-15 14:56:49,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-15 14:56:49,841 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 65 transitions. [2022-04-15 14:56:49,897 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:49,899 INFO L225 Difference]: With dead ends: 58 [2022-04-15 14:56:49,899 INFO L226 Difference]: Without dead ends: 56 [2022-04-15 14:56:49,900 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-15 14:56:49,901 INFO L913 BasicCegarLoop]: 48 mSDtfsCounter, 7 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 14:56:49,901 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 161 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 14:56:49,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-15 14:56:49,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2022-04-15 14:56:49,935 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:56:49,936 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 32 states have internal predecessors, (33), 20 states have call successors, (20), 6 states have call predecessors, (20), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 14:56:49,936 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 32 states have internal predecessors, (33), 20 states have call successors, (20), 6 states have call predecessors, (20), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 14:56:49,937 INFO L87 Difference]: Start difference. First operand 56 states. Second operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 32 states have internal predecessors, (33), 20 states have call successors, (20), 6 states have call predecessors, (20), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 14:56:49,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:49,940 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-04-15 14:56:49,940 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-04-15 14:56:49,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:49,941 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:49,941 INFO L74 IsIncluded]: Start isIncluded. First operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 32 states have internal predecessors, (33), 20 states have call successors, (20), 6 states have call predecessors, (20), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 56 states. [2022-04-15 14:56:49,941 INFO L87 Difference]: Start difference. First operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 32 states have internal predecessors, (33), 20 states have call successors, (20), 6 states have call predecessors, (20), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 56 states. [2022-04-15 14:56:49,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:49,944 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-04-15 14:56:49,945 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-04-15 14:56:49,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:49,945 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:49,945 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:56:49,945 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:56:49,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 32 states have internal predecessors, (33), 20 states have call successors, (20), 6 states have call predecessors, (20), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 14:56:49,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 71 transitions. [2022-04-15 14:56:49,948 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 71 transitions. Word has length 50 [2022-04-15 14:56:49,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:56:49,949 INFO L478 AbstractCegarLoop]: Abstraction has 55 states and 71 transitions. [2022-04-15 14:56:49,949 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-04-15 14:56:49,949 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 55 states and 71 transitions. [2022-04-15 14:56:50,028 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:50,028 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-04-15 14:56:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-04-15 14:56:50,029 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:56:50,029 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 14:56:50,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-15 14:56:50,235 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:56:50,236 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:56:50,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:56:50,236 INFO L85 PathProgramCache]: Analyzing trace with hash 606548870, now seen corresponding path program 1 times [2022-04-15 14:56:50,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:50,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1277120405] [2022-04-15 14:56:50,236 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:56:50,237 INFO L85 PathProgramCache]: Analyzing trace with hash 606548870, now seen corresponding path program 2 times [2022-04-15 14:56:50,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:56:50,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097934282] [2022-04-15 14:56:50,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:56:50,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:56:50,252 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:56:50,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139783045] [2022-04-15 14:56:50,252 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:56:50,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:56:50,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:56:50,253 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 14:56:50,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-15 14:56:50,308 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:56:50,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:56:50,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-15 14:56:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:50,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:56:50,538 INFO L272 TraceCheckUtils]: 0: Hoare triple {1818#true} call ULTIMATE.init(); {1818#true} is VALID [2022-04-15 14:56:50,538 INFO L290 TraceCheckUtils]: 1: Hoare triple {1818#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {1818#true} is VALID [2022-04-15 14:56:50,538 INFO L290 TraceCheckUtils]: 2: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:50,538 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1818#true} {1818#true} #103#return; {1818#true} is VALID [2022-04-15 14:56:50,539 INFO L272 TraceCheckUtils]: 4: Hoare triple {1818#true} call #t~ret6 := main(); {1818#true} is VALID [2022-04-15 14:56:50,539 INFO L290 TraceCheckUtils]: 5: Hoare triple {1818#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {1818#true} is VALID [2022-04-15 14:56:50,539 INFO L272 TraceCheckUtils]: 6: Hoare triple {1818#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {1818#true} is VALID [2022-04-15 14:56:50,539 INFO L290 TraceCheckUtils]: 7: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:50,539 INFO L290 TraceCheckUtils]: 8: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:50,539 INFO L290 TraceCheckUtils]: 9: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:50,539 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1818#true} {1818#true} #79#return; {1818#true} is VALID [2022-04-15 14:56:50,540 INFO L290 TraceCheckUtils]: 11: Hoare triple {1818#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {1818#true} is VALID [2022-04-15 14:56:50,540 INFO L272 TraceCheckUtils]: 12: Hoare triple {1818#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {1818#true} is VALID [2022-04-15 14:56:50,540 INFO L290 TraceCheckUtils]: 13: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:50,540 INFO L290 TraceCheckUtils]: 14: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:50,540 INFO L290 TraceCheckUtils]: 15: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:50,540 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {1818#true} {1818#true} #81#return; {1818#true} is VALID [2022-04-15 14:56:50,540 INFO L272 TraceCheckUtils]: 17: Hoare triple {1818#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {1818#true} is VALID [2022-04-15 14:56:50,541 INFO L290 TraceCheckUtils]: 18: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:50,541 INFO L290 TraceCheckUtils]: 19: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:50,541 INFO L290 TraceCheckUtils]: 20: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:50,541 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1818#true} {1818#true} #83#return; {1818#true} is VALID [2022-04-15 14:56:50,541 INFO L272 TraceCheckUtils]: 22: Hoare triple {1818#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {1818#true} is VALID [2022-04-15 14:56:50,541 INFO L290 TraceCheckUtils]: 23: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:50,541 INFO L290 TraceCheckUtils]: 24: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:50,542 INFO L290 TraceCheckUtils]: 25: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:50,542 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1818#true} {1818#true} #85#return; {1818#true} is VALID [2022-04-15 14:56:50,542 INFO L290 TraceCheckUtils]: 27: Hoare triple {1818#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-15 14:56:50,542 INFO L272 TraceCheckUtils]: 28: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {1818#true} is VALID [2022-04-15 14:56:50,542 INFO L290 TraceCheckUtils]: 29: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:50,543 INFO L290 TraceCheckUtils]: 30: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:50,543 INFO L290 TraceCheckUtils]: 31: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:50,543 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {1818#true} {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} #87#return; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-15 14:56:50,544 INFO L272 TraceCheckUtils]: 33: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {1818#true} is VALID [2022-04-15 14:56:50,544 INFO L290 TraceCheckUtils]: 34: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:50,544 INFO L290 TraceCheckUtils]: 35: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:50,544 INFO L290 TraceCheckUtils]: 36: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:50,545 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {1818#true} {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} #89#return; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-15 14:56:50,545 INFO L290 TraceCheckUtils]: 38: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} assume !false; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-15 14:56:50,545 INFO L290 TraceCheckUtils]: 39: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-15 14:56:50,546 INFO L290 TraceCheckUtils]: 40: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} assume !false; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-15 14:56:50,546 INFO L272 TraceCheckUtils]: 41: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {1818#true} is VALID [2022-04-15 14:56:50,546 INFO L290 TraceCheckUtils]: 42: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:50,546 INFO L290 TraceCheckUtils]: 43: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:50,546 INFO L290 TraceCheckUtils]: 44: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:50,547 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {1818#true} {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} #91#return; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-15 14:56:50,547 INFO L272 TraceCheckUtils]: 46: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {1818#true} is VALID [2022-04-15 14:56:50,547 INFO L290 TraceCheckUtils]: 47: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:50,548 INFO L290 TraceCheckUtils]: 48: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:50,548 INFO L290 TraceCheckUtils]: 49: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:50,550 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {1818#true} {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} #93#return; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-15 14:56:50,551 INFO L272 TraceCheckUtils]: 51: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {1977#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 14:56:50,551 INFO L290 TraceCheckUtils]: 52: Hoare triple {1977#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {1981#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:56:50,552 INFO L290 TraceCheckUtils]: 53: Hoare triple {1981#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {1819#false} is VALID [2022-04-15 14:56:50,552 INFO L290 TraceCheckUtils]: 54: Hoare triple {1819#false} assume !false; {1819#false} is VALID [2022-04-15 14:56:50,552 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-04-15 14:56:50,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 14:56:50,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:56:50,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097934282] [2022-04-15 14:56:50,553 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:56:50,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139783045] [2022-04-15 14:56:50,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139783045] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:50,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:50,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:56:50,553 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:56:50,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1277120405] [2022-04-15 14:56:50,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1277120405] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:50,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:50,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:56:50,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30077722] [2022-04-15 14:56:50,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:56:50,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 55 [2022-04-15 14:56:50,555 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:56:50,555 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-04-15 14:56:50,582 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:50,582 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 14:56:50,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:50,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 14:56:50,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 14:56:50,583 INFO L87 Difference]: Start difference. First operand 55 states and 71 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-04-15 14:56:50,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:50,820 INFO L93 Difference]: Finished difference Result 62 states and 77 transitions. [2022-04-15 14:56:50,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 14:56:50,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 55 [2022-04-15 14:56:50,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:56:50,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-04-15 14:56:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-15 14:56:50,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-04-15 14:56:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-15 14:56:50,826 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 65 transitions. [2022-04-15 14:56:50,885 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:50,888 INFO L225 Difference]: With dead ends: 62 [2022-04-15 14:56:50,888 INFO L226 Difference]: Without dead ends: 60 [2022-04-15 14:56:50,889 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-15 14:56:50,894 INFO L913 BasicCegarLoop]: 46 mSDtfsCounter, 7 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 14:56:50,894 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 151 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 14:56:50,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-04-15 14:56:50,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2022-04-15 14:56:50,946 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:56:50,946 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand has 59 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 20 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 14:56:50,946 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand has 59 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 20 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 14:56:50,947 INFO L87 Difference]: Start difference. First operand 60 states. Second operand has 59 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 20 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 14:56:50,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:50,949 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-04-15 14:56:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-04-15 14:56:50,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:50,950 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:50,950 INFO L74 IsIncluded]: Start isIncluded. First operand has 59 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 20 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 60 states. [2022-04-15 14:56:50,950 INFO L87 Difference]: Start difference. First operand has 59 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 20 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 60 states. [2022-04-15 14:56:50,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:50,953 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-04-15 14:56:50,953 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-04-15 14:56:50,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:50,954 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:50,954 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:56:50,954 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:56:50,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 20 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 14:56:50,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2022-04-15 14:56:50,957 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 55 [2022-04-15 14:56:50,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:56:50,957 INFO L478 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2022-04-15 14:56:50,957 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-04-15 14:56:50,957 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 74 transitions. [2022-04-15 14:56:51,063 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:51,064 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-04-15 14:56:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-04-15 14:56:51,065 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:56:51,066 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 14:56:51,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-04-15 14:56:51,279 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:56:51,279 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:56:51,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:56:51,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1584976990, now seen corresponding path program 1 times [2022-04-15 14:56:51,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:51,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1776028742] [2022-04-15 14:56:51,280 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:56:51,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1584976990, now seen corresponding path program 2 times [2022-04-15 14:56:51,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:56:51,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147799605] [2022-04-15 14:56:51,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:56:51,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:56:51,295 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:56:51,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1876013047] [2022-04-15 14:56:51,295 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:56:51,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:56:51,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:56:51,296 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 14:56:51,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-15 14:56:51,349 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:56:51,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:56:51,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjunts are in the unsatisfiable core [2022-04-15 14:56:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:51,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:56:51,724 INFO L272 TraceCheckUtils]: 0: Hoare triple {2351#true} call ULTIMATE.init(); {2351#true} is VALID [2022-04-15 14:56:51,724 INFO L290 TraceCheckUtils]: 1: Hoare triple {2351#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {2351#true} is VALID [2022-04-15 14:56:51,724 INFO L290 TraceCheckUtils]: 2: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:51,724 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2351#true} {2351#true} #103#return; {2351#true} is VALID [2022-04-15 14:56:51,724 INFO L272 TraceCheckUtils]: 4: Hoare triple {2351#true} call #t~ret6 := main(); {2351#true} is VALID [2022-04-15 14:56:51,724 INFO L290 TraceCheckUtils]: 5: Hoare triple {2351#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {2351#true} is VALID [2022-04-15 14:56:51,724 INFO L272 TraceCheckUtils]: 6: Hoare triple {2351#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {2351#true} is VALID [2022-04-15 14:56:51,725 INFO L290 TraceCheckUtils]: 7: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 14:56:51,725 INFO L290 TraceCheckUtils]: 8: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 14:56:51,725 INFO L290 TraceCheckUtils]: 9: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:51,725 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2351#true} {2351#true} #79#return; {2351#true} is VALID [2022-04-15 14:56:51,725 INFO L290 TraceCheckUtils]: 11: Hoare triple {2351#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {2351#true} is VALID [2022-04-15 14:56:51,725 INFO L272 TraceCheckUtils]: 12: Hoare triple {2351#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {2351#true} is VALID [2022-04-15 14:56:51,725 INFO L290 TraceCheckUtils]: 13: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 14:56:51,725 INFO L290 TraceCheckUtils]: 14: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 14:56:51,726 INFO L290 TraceCheckUtils]: 15: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:51,726 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2351#true} {2351#true} #81#return; {2351#true} is VALID [2022-04-15 14:56:51,726 INFO L272 TraceCheckUtils]: 17: Hoare triple {2351#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {2351#true} is VALID [2022-04-15 14:56:51,726 INFO L290 TraceCheckUtils]: 18: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 14:56:51,726 INFO L290 TraceCheckUtils]: 19: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 14:56:51,726 INFO L290 TraceCheckUtils]: 20: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:51,726 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2351#true} {2351#true} #83#return; {2351#true} is VALID [2022-04-15 14:56:51,726 INFO L272 TraceCheckUtils]: 22: Hoare triple {2351#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {2351#true} is VALID [2022-04-15 14:56:51,727 INFO L290 TraceCheckUtils]: 23: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 14:56:51,727 INFO L290 TraceCheckUtils]: 24: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 14:56:51,727 INFO L290 TraceCheckUtils]: 25: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:51,727 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2351#true} {2351#true} #85#return; {2351#true} is VALID [2022-04-15 14:56:51,728 INFO L290 TraceCheckUtils]: 27: Hoare triple {2351#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-15 14:56:51,728 INFO L272 TraceCheckUtils]: 28: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {2351#true} is VALID [2022-04-15 14:56:51,728 INFO L290 TraceCheckUtils]: 29: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 14:56:51,728 INFO L290 TraceCheckUtils]: 30: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 14:56:51,728 INFO L290 TraceCheckUtils]: 31: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:51,729 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {2351#true} {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} #87#return; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-15 14:56:51,729 INFO L272 TraceCheckUtils]: 33: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {2351#true} is VALID [2022-04-15 14:56:51,729 INFO L290 TraceCheckUtils]: 34: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 14:56:51,729 INFO L290 TraceCheckUtils]: 35: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 14:56:51,729 INFO L290 TraceCheckUtils]: 36: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:51,730 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2351#true} {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} #89#return; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-15 14:56:51,730 INFO L290 TraceCheckUtils]: 38: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} assume !false; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-15 14:56:51,731 INFO L290 TraceCheckUtils]: 39: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-15 14:56:51,731 INFO L290 TraceCheckUtils]: 40: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} assume !false; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-15 14:56:51,732 INFO L272 TraceCheckUtils]: 41: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {2351#true} is VALID [2022-04-15 14:56:51,732 INFO L290 TraceCheckUtils]: 42: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 14:56:51,732 INFO L290 TraceCheckUtils]: 43: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 14:56:51,732 INFO L290 TraceCheckUtils]: 44: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:51,733 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {2351#true} {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} #91#return; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-15 14:56:51,733 INFO L272 TraceCheckUtils]: 46: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {2351#true} is VALID [2022-04-15 14:56:51,733 INFO L290 TraceCheckUtils]: 47: Hoare triple {2351#true} ~cond := #in~cond; {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:56:51,733 INFO L290 TraceCheckUtils]: 48: Hoare triple {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:56:51,734 INFO L290 TraceCheckUtils]: 49: Hoare triple {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:56:51,735 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} #93#return; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-15 14:56:51,735 INFO L272 TraceCheckUtils]: 51: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {2351#true} is VALID [2022-04-15 14:56:51,735 INFO L290 TraceCheckUtils]: 52: Hoare triple {2351#true} ~cond := #in~cond; {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:56:51,735 INFO L290 TraceCheckUtils]: 53: Hoare triple {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:56:51,736 INFO L290 TraceCheckUtils]: 54: Hoare triple {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:56:51,736 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} #95#return; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-15 14:56:51,737 INFO L272 TraceCheckUtils]: 56: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {2527#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 14:56:51,738 INFO L290 TraceCheckUtils]: 57: Hoare triple {2527#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {2531#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:56:51,738 INFO L290 TraceCheckUtils]: 58: Hoare triple {2531#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2352#false} is VALID [2022-04-15 14:56:51,738 INFO L290 TraceCheckUtils]: 59: Hoare triple {2352#false} assume !false; {2352#false} is VALID [2022-04-15 14:56:51,739 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-04-15 14:56:51,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:57:40,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:57:40,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147799605] [2022-04-15 14:57:40,660 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:57:40,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876013047] [2022-04-15 14:57:40,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876013047] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-15 14:57:40,660 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-15 14:57:40,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-04-15 14:57:40,660 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:57:40,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1776028742] [2022-04-15 14:57:40,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1776028742] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:57:40,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:57:40,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-15 14:57:40,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566077747] [2022-04-15 14:57:40,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:57:40,661 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60 [2022-04-15 14:57:40,662 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:57:40,662 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-04-15 14:57:40,703 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:40,703 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-15 14:57:40,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:40,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-15 14:57:40,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-15 14:57:40,704 INFO L87 Difference]: Start difference. First operand 59 states and 74 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-04-15 14:57:41,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:41,114 INFO L93 Difference]: Finished difference Result 66 states and 80 transitions. [2022-04-15 14:57:41,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-15 14:57:41,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60 [2022-04-15 14:57:41,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:57:41,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-04-15 14:57:41,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2022-04-15 14:57:41,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-04-15 14:57:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2022-04-15 14:57:41,119 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 65 transitions. [2022-04-15 14:57:41,184 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:41,186 INFO L225 Difference]: With dead ends: 66 [2022-04-15 14:57:41,186 INFO L226 Difference]: Without dead ends: 64 [2022-04-15 14:57:41,186 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-04-15 14:57:41,187 INFO L913 BasicCegarLoop]: 36 mSDtfsCounter, 11 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 14:57:41,187 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 164 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 14:57:41,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-04-15 14:57:41,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2022-04-15 14:57:41,240 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:57:41,241 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand has 63 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 20 states have call successors, (20), 8 states have call predecessors, (20), 7 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 14:57:41,242 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand has 63 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 20 states have call successors, (20), 8 states have call predecessors, (20), 7 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 14:57:41,242 INFO L87 Difference]: Start difference. First operand 64 states. Second operand has 63 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 20 states have call successors, (20), 8 states have call predecessors, (20), 7 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 14:57:41,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:41,245 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2022-04-15 14:57:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-04-15 14:57:41,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:41,245 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:41,245 INFO L74 IsIncluded]: Start isIncluded. First operand has 63 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 20 states have call successors, (20), 8 states have call predecessors, (20), 7 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 64 states. [2022-04-15 14:57:41,246 INFO L87 Difference]: Start difference. First operand has 63 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 20 states have call successors, (20), 8 states have call predecessors, (20), 7 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 64 states. [2022-04-15 14:57:41,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:41,248 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2022-04-15 14:57:41,248 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-04-15 14:57:41,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:41,249 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:41,250 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:57:41,250 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:57:41,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 20 states have call successors, (20), 8 states have call predecessors, (20), 7 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-15 14:57:41,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2022-04-15 14:57:41,253 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 60 [2022-04-15 14:57:41,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:57:41,253 INFO L478 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2022-04-15 14:57:41,253 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-04-15 14:57:41,253 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 63 states and 77 transitions. [2022-04-15 14:57:41,346 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:41,347 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2022-04-15 14:57:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-15 14:57:41,348 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:57:41,348 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 14:57:41,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-04-15 14:57:41,549 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:57:41,549 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:57:41,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:57:41,550 INFO L85 PathProgramCache]: Analyzing trace with hash -669670075, now seen corresponding path program 1 times [2022-04-15 14:57:41,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:41,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1759772453] [2022-04-15 14:57:41,550 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:57:41,550 INFO L85 PathProgramCache]: Analyzing trace with hash -669670075, now seen corresponding path program 2 times [2022-04-15 14:57:41,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:57:41,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427891291] [2022-04-15 14:57:41,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:57:41,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:57:41,566 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:57:41,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [623192147] [2022-04-15 14:57:41,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:57:41,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:57:41,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:57:41,567 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 14:57:41,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-15 14:57:41,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:57:41,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:57:41,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-15 14:57:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:57:41,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:57:41,893 INFO L272 TraceCheckUtils]: 0: Hoare triple {2944#true} call ULTIMATE.init(); {2944#true} is VALID [2022-04-15 14:57:41,893 INFO L290 TraceCheckUtils]: 1: Hoare triple {2944#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {2944#true} is VALID [2022-04-15 14:57:41,896 INFO L290 TraceCheckUtils]: 2: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:41,896 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2944#true} {2944#true} #103#return; {2944#true} is VALID [2022-04-15 14:57:41,897 INFO L272 TraceCheckUtils]: 4: Hoare triple {2944#true} call #t~ret6 := main(); {2944#true} is VALID [2022-04-15 14:57:41,899 INFO L290 TraceCheckUtils]: 5: Hoare triple {2944#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {2944#true} is VALID [2022-04-15 14:57:41,899 INFO L272 TraceCheckUtils]: 6: Hoare triple {2944#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:41,899 INFO L290 TraceCheckUtils]: 7: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:41,899 INFO L290 TraceCheckUtils]: 8: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:41,899 INFO L290 TraceCheckUtils]: 9: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:41,899 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2944#true} {2944#true} #79#return; {2944#true} is VALID [2022-04-15 14:57:41,900 INFO L290 TraceCheckUtils]: 11: Hoare triple {2944#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {2944#true} is VALID [2022-04-15 14:57:41,900 INFO L272 TraceCheckUtils]: 12: Hoare triple {2944#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:41,900 INFO L290 TraceCheckUtils]: 13: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:41,900 INFO L290 TraceCheckUtils]: 14: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:41,900 INFO L290 TraceCheckUtils]: 15: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:41,900 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2944#true} {2944#true} #81#return; {2944#true} is VALID [2022-04-15 14:57:41,900 INFO L272 TraceCheckUtils]: 17: Hoare triple {2944#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:41,900 INFO L290 TraceCheckUtils]: 18: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:41,900 INFO L290 TraceCheckUtils]: 19: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:41,901 INFO L290 TraceCheckUtils]: 20: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:41,901 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2944#true} {2944#true} #83#return; {2944#true} is VALID [2022-04-15 14:57:41,901 INFO L272 TraceCheckUtils]: 22: Hoare triple {2944#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:41,901 INFO L290 TraceCheckUtils]: 23: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:41,901 INFO L290 TraceCheckUtils]: 24: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:41,901 INFO L290 TraceCheckUtils]: 25: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:41,901 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2944#true} {2944#true} #85#return; {2944#true} is VALID [2022-04-15 14:57:41,901 INFO L290 TraceCheckUtils]: 27: Hoare triple {2944#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {2944#true} is VALID [2022-04-15 14:57:41,901 INFO L272 TraceCheckUtils]: 28: Hoare triple {2944#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:41,902 INFO L290 TraceCheckUtils]: 29: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:41,902 INFO L290 TraceCheckUtils]: 30: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:41,902 INFO L290 TraceCheckUtils]: 31: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:41,902 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {2944#true} {2944#true} #87#return; {2944#true} is VALID [2022-04-15 14:57:41,902 INFO L272 TraceCheckUtils]: 33: Hoare triple {2944#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:41,902 INFO L290 TraceCheckUtils]: 34: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:41,902 INFO L290 TraceCheckUtils]: 35: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:41,902 INFO L290 TraceCheckUtils]: 36: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:41,902 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2944#true} {2944#true} #89#return; {2944#true} is VALID [2022-04-15 14:57:41,903 INFO L290 TraceCheckUtils]: 38: Hoare triple {2944#true} assume !false; {2944#true} is VALID [2022-04-15 14:57:41,907 INFO L290 TraceCheckUtils]: 39: Hoare triple {2944#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} is VALID [2022-04-15 14:57:41,908 INFO L290 TraceCheckUtils]: 40: Hoare triple {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} assume !false; {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} is VALID [2022-04-15 14:57:41,908 INFO L272 TraceCheckUtils]: 41: Hoare triple {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:41,908 INFO L290 TraceCheckUtils]: 42: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:41,908 INFO L290 TraceCheckUtils]: 43: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:41,908 INFO L290 TraceCheckUtils]: 44: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:41,909 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {2944#true} {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} #91#return; {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} is VALID [2022-04-15 14:57:41,909 INFO L272 TraceCheckUtils]: 46: Hoare triple {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:41,909 INFO L290 TraceCheckUtils]: 47: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:41,909 INFO L290 TraceCheckUtils]: 48: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:41,909 INFO L290 TraceCheckUtils]: 49: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:41,910 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {2944#true} {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} #93#return; {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} is VALID [2022-04-15 14:57:41,910 INFO L272 TraceCheckUtils]: 51: Hoare triple {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:41,910 INFO L290 TraceCheckUtils]: 52: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:41,910 INFO L290 TraceCheckUtils]: 53: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:41,911 INFO L290 TraceCheckUtils]: 54: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:41,911 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {2944#true} {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} #95#return; {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} is VALID [2022-04-15 14:57:41,911 INFO L272 TraceCheckUtils]: 56: Hoare triple {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:41,912 INFO L290 TraceCheckUtils]: 57: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:41,912 INFO L290 TraceCheckUtils]: 58: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:41,912 INFO L290 TraceCheckUtils]: 59: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:41,913 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {2944#true} {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} #97#return; {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} is VALID [2022-04-15 14:57:41,913 INFO L290 TraceCheckUtils]: 61: Hoare triple {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {3133#(and (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0))} is VALID [2022-04-15 14:57:41,915 INFO L290 TraceCheckUtils]: 62: Hoare triple {3133#(and (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0))} assume !false; {3133#(and (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0))} is VALID [2022-04-15 14:57:41,915 INFO L272 TraceCheckUtils]: 63: Hoare triple {3133#(and (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {3140#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 14:57:41,916 INFO L290 TraceCheckUtils]: 64: Hoare triple {3140#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {3144#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:41,916 INFO L290 TraceCheckUtils]: 65: Hoare triple {3144#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2945#false} is VALID [2022-04-15 14:57:41,918 INFO L290 TraceCheckUtils]: 66: Hoare triple {2945#false} assume !false; {2945#false} is VALID [2022-04-15 14:57:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-04-15 14:57:41,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:57:42,151 INFO L290 TraceCheckUtils]: 66: Hoare triple {2945#false} assume !false; {2945#false} is VALID [2022-04-15 14:57:42,152 INFO L290 TraceCheckUtils]: 65: Hoare triple {3144#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2945#false} is VALID [2022-04-15 14:57:42,152 INFO L290 TraceCheckUtils]: 64: Hoare triple {3140#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {3144#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:42,153 INFO L272 TraceCheckUtils]: 63: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {3140#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 14:57:42,153 INFO L290 TraceCheckUtils]: 62: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} assume !false; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-15 14:57:42,155 INFO L290 TraceCheckUtils]: 61: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-15 14:57:42,156 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {2944#true} {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} #97#return; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-15 14:57:42,156 INFO L290 TraceCheckUtils]: 59: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:42,156 INFO L290 TraceCheckUtils]: 58: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:42,156 INFO L290 TraceCheckUtils]: 57: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:42,156 INFO L272 TraceCheckUtils]: 56: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:42,157 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {2944#true} {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} #95#return; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-15 14:57:42,157 INFO L290 TraceCheckUtils]: 54: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:42,157 INFO L290 TraceCheckUtils]: 53: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:42,157 INFO L290 TraceCheckUtils]: 52: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:42,157 INFO L272 TraceCheckUtils]: 51: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:42,158 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {2944#true} {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} #93#return; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-15 14:57:42,158 INFO L290 TraceCheckUtils]: 49: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:42,158 INFO L290 TraceCheckUtils]: 48: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:42,158 INFO L290 TraceCheckUtils]: 47: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:42,158 INFO L272 TraceCheckUtils]: 46: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:42,159 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {2944#true} {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} #91#return; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-15 14:57:42,159 INFO L290 TraceCheckUtils]: 44: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:42,159 INFO L290 TraceCheckUtils]: 43: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:42,159 INFO L290 TraceCheckUtils]: 42: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:42,159 INFO L272 TraceCheckUtils]: 41: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:42,160 INFO L290 TraceCheckUtils]: 40: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} assume !false; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-15 14:57:42,160 INFO L290 TraceCheckUtils]: 39: Hoare triple {2944#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-15 14:57:42,160 INFO L290 TraceCheckUtils]: 38: Hoare triple {2944#true} assume !false; {2944#true} is VALID [2022-04-15 14:57:42,160 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2944#true} {2944#true} #89#return; {2944#true} is VALID [2022-04-15 14:57:42,160 INFO L290 TraceCheckUtils]: 36: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:42,160 INFO L290 TraceCheckUtils]: 35: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:42,160 INFO L290 TraceCheckUtils]: 34: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:42,161 INFO L272 TraceCheckUtils]: 33: Hoare triple {2944#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:42,161 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {2944#true} {2944#true} #87#return; {2944#true} is VALID [2022-04-15 14:57:42,161 INFO L290 TraceCheckUtils]: 31: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:42,161 INFO L290 TraceCheckUtils]: 30: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:42,161 INFO L290 TraceCheckUtils]: 29: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:42,161 INFO L272 TraceCheckUtils]: 28: Hoare triple {2944#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:42,161 INFO L290 TraceCheckUtils]: 27: Hoare triple {2944#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {2944#true} is VALID [2022-04-15 14:57:42,161 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2944#true} {2944#true} #85#return; {2944#true} is VALID [2022-04-15 14:57:42,162 INFO L290 TraceCheckUtils]: 25: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:42,162 INFO L290 TraceCheckUtils]: 24: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:42,162 INFO L290 TraceCheckUtils]: 23: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:42,162 INFO L272 TraceCheckUtils]: 22: Hoare triple {2944#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:42,162 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2944#true} {2944#true} #83#return; {2944#true} is VALID [2022-04-15 14:57:42,162 INFO L290 TraceCheckUtils]: 20: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:42,162 INFO L290 TraceCheckUtils]: 19: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:42,162 INFO L290 TraceCheckUtils]: 18: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:42,162 INFO L272 TraceCheckUtils]: 17: Hoare triple {2944#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:42,162 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2944#true} {2944#true} #81#return; {2944#true} is VALID [2022-04-15 14:57:42,163 INFO L290 TraceCheckUtils]: 15: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:42,163 INFO L290 TraceCheckUtils]: 14: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:42,163 INFO L290 TraceCheckUtils]: 13: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:42,163 INFO L272 TraceCheckUtils]: 12: Hoare triple {2944#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:42,163 INFO L290 TraceCheckUtils]: 11: Hoare triple {2944#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {2944#true} is VALID [2022-04-15 14:57:42,163 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2944#true} {2944#true} #79#return; {2944#true} is VALID [2022-04-15 14:57:42,163 INFO L290 TraceCheckUtils]: 9: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:42,163 INFO L290 TraceCheckUtils]: 8: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:42,163 INFO L290 TraceCheckUtils]: 7: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:42,163 INFO L272 TraceCheckUtils]: 6: Hoare triple {2944#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {2944#true} is VALID [2022-04-15 14:57:42,163 INFO L290 TraceCheckUtils]: 5: Hoare triple {2944#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {2944#true} is VALID [2022-04-15 14:57:42,163 INFO L272 TraceCheckUtils]: 4: Hoare triple {2944#true} call #t~ret6 := main(); {2944#true} is VALID [2022-04-15 14:57:42,164 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2944#true} {2944#true} #103#return; {2944#true} is VALID [2022-04-15 14:57:42,164 INFO L290 TraceCheckUtils]: 2: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:42,164 INFO L290 TraceCheckUtils]: 1: Hoare triple {2944#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {2944#true} is VALID [2022-04-15 14:57:42,164 INFO L272 TraceCheckUtils]: 0: Hoare triple {2944#true} call ULTIMATE.init(); {2944#true} is VALID [2022-04-15 14:57:42,164 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-04-15 14:57:42,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:57:42,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427891291] [2022-04-15 14:57:42,165 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:57:42,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623192147] [2022-04-15 14:57:42,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623192147] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-15 14:57:42,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-15 14:57:42,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-04-15 14:57:42,165 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:57:42,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1759772453] [2022-04-15 14:57:42,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1759772453] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:57:42,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:57:42,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:57:42,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213191531] [2022-04-15 14:57:42,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:57:42,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 67 [2022-04-15 14:57:42,167 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:57:42,167 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-04-15 14:57:42,200 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:42,200 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 14:57:42,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:42,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 14:57:42,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-15 14:57:42,201 INFO L87 Difference]: Start difference. First operand 63 states and 77 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-04-15 14:57:42,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:42,377 INFO L93 Difference]: Finished difference Result 69 states and 82 transitions. [2022-04-15 14:57:42,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 14:57:42,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 67 [2022-04-15 14:57:42,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:57:42,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-04-15 14:57:42,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-04-15 14:57:42,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-04-15 14:57:42,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-04-15 14:57:42,380 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 51 transitions. [2022-04-15 14:57:42,422 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:42,424 INFO L225 Difference]: With dead ends: 69 [2022-04-15 14:57:42,424 INFO L226 Difference]: Without dead ends: 67 [2022-04-15 14:57:42,424 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-15 14:57:42,425 INFO L913 BasicCegarLoop]: 40 mSDtfsCounter, 6 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 14:57:42,425 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 137 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 14:57:42,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-04-15 14:57:42,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2022-04-15 14:57:42,466 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:57:42,466 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand has 59 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 18 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-15 14:57:42,466 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand has 59 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 18 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-15 14:57:42,467 INFO L87 Difference]: Start difference. First operand 67 states. Second operand has 59 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 18 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-15 14:57:42,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:42,469 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2022-04-15 14:57:42,469 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-04-15 14:57:42,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:42,470 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:42,470 INFO L74 IsIncluded]: Start isIncluded. First operand has 59 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 18 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand 67 states. [2022-04-15 14:57:42,470 INFO L87 Difference]: Start difference. First operand has 59 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 18 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand 67 states. [2022-04-15 14:57:42,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:42,473 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2022-04-15 14:57:42,473 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-04-15 14:57:42,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:42,473 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:42,473 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:57:42,473 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:57:42,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 18 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-15 14:57:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-04-15 14:57:42,476 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 67 [2022-04-15 14:57:42,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:57:42,476 INFO L478 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-04-15 14:57:42,476 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-04-15 14:57:42,476 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 71 transitions. [2022-04-15 14:57:42,569 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:42,570 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-04-15 14:57:42,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-04-15 14:57:42,570 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:57:42,570 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 14:57:42,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-15 14:57:42,771 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:57:42,771 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:57:42,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:57:42,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1682830289, now seen corresponding path program 1 times [2022-04-15 14:57:42,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:42,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1490197991] [2022-04-15 14:57:42,772 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:57:42,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1682830289, now seen corresponding path program 2 times [2022-04-15 14:57:42,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:57:42,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166577345] [2022-04-15 14:57:42,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:57:42,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:57:42,797 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:57:42,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [359530266] [2022-04-15 14:57:42,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:57:42,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:57:42,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:57:42,798 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 14:57:42,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-15 14:57:42,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:57:42,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:57:42,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-15 14:57:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:57:42,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:57:43,108 INFO L272 TraceCheckUtils]: 0: Hoare triple {3744#true} call ULTIMATE.init(); {3744#true} is VALID [2022-04-15 14:57:43,108 INFO L290 TraceCheckUtils]: 1: Hoare triple {3744#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {3744#true} is VALID [2022-04-15 14:57:43,108 INFO L290 TraceCheckUtils]: 2: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,108 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3744#true} {3744#true} #103#return; {3744#true} is VALID [2022-04-15 14:57:43,109 INFO L272 TraceCheckUtils]: 4: Hoare triple {3744#true} call #t~ret6 := main(); {3744#true} is VALID [2022-04-15 14:57:43,109 INFO L290 TraceCheckUtils]: 5: Hoare triple {3744#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {3744#true} is VALID [2022-04-15 14:57:43,109 INFO L272 TraceCheckUtils]: 6: Hoare triple {3744#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,109 INFO L290 TraceCheckUtils]: 7: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,109 INFO L290 TraceCheckUtils]: 8: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,109 INFO L290 TraceCheckUtils]: 9: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,109 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3744#true} {3744#true} #79#return; {3744#true} is VALID [2022-04-15 14:57:43,109 INFO L290 TraceCheckUtils]: 11: Hoare triple {3744#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {3744#true} is VALID [2022-04-15 14:57:43,109 INFO L272 TraceCheckUtils]: 12: Hoare triple {3744#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,110 INFO L290 TraceCheckUtils]: 13: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,110 INFO L290 TraceCheckUtils]: 14: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,110 INFO L290 TraceCheckUtils]: 15: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,110 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {3744#true} {3744#true} #81#return; {3744#true} is VALID [2022-04-15 14:57:43,110 INFO L272 TraceCheckUtils]: 17: Hoare triple {3744#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,110 INFO L290 TraceCheckUtils]: 18: Hoare triple {3744#true} ~cond := #in~cond; {3803#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-15 14:57:43,111 INFO L290 TraceCheckUtils]: 19: Hoare triple {3803#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {3807#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 14:57:43,111 INFO L290 TraceCheckUtils]: 20: Hoare triple {3807#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {3807#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 14:57:43,112 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {3807#(not (= |assume_abort_if_not_#in~cond| 0))} {3744#true} #83#return; {3814#(<= 1 main_~x~0)} is VALID [2022-04-15 14:57:43,112 INFO L272 TraceCheckUtils]: 22: Hoare triple {3814#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,112 INFO L290 TraceCheckUtils]: 23: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,112 INFO L290 TraceCheckUtils]: 24: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,112 INFO L290 TraceCheckUtils]: 25: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,113 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {3744#true} {3814#(<= 1 main_~x~0)} #85#return; {3814#(<= 1 main_~x~0)} is VALID [2022-04-15 14:57:43,114 INFO L290 TraceCheckUtils]: 27: Hoare triple {3814#(<= 1 main_~x~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 14:57:43,114 INFO L272 TraceCheckUtils]: 28: Hoare triple {3833#(<= 1 main_~a~0)} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,114 INFO L290 TraceCheckUtils]: 29: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,114 INFO L290 TraceCheckUtils]: 30: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,114 INFO L290 TraceCheckUtils]: 31: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,115 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #87#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 14:57:43,115 INFO L272 TraceCheckUtils]: 33: Hoare triple {3833#(<= 1 main_~a~0)} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,115 INFO L290 TraceCheckUtils]: 34: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,115 INFO L290 TraceCheckUtils]: 35: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,115 INFO L290 TraceCheckUtils]: 36: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,115 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #89#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 14:57:43,116 INFO L290 TraceCheckUtils]: 38: Hoare triple {3833#(<= 1 main_~a~0)} assume !false; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 14:57:43,116 INFO L290 TraceCheckUtils]: 39: Hoare triple {3833#(<= 1 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:43,117 INFO L290 TraceCheckUtils]: 40: Hoare triple {3870#(<= 1 main_~c~0)} assume !false; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:43,117 INFO L272 TraceCheckUtils]: 41: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,117 INFO L290 TraceCheckUtils]: 42: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,117 INFO L290 TraceCheckUtils]: 43: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,117 INFO L290 TraceCheckUtils]: 44: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,118 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #91#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:43,118 INFO L272 TraceCheckUtils]: 46: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,118 INFO L290 TraceCheckUtils]: 47: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,118 INFO L290 TraceCheckUtils]: 48: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,118 INFO L290 TraceCheckUtils]: 49: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,119 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #93#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:43,119 INFO L272 TraceCheckUtils]: 51: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,119 INFO L290 TraceCheckUtils]: 52: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,119 INFO L290 TraceCheckUtils]: 53: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,119 INFO L290 TraceCheckUtils]: 54: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,120 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #95#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:43,120 INFO L272 TraceCheckUtils]: 56: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,120 INFO L290 TraceCheckUtils]: 57: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,120 INFO L290 TraceCheckUtils]: 58: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,120 INFO L290 TraceCheckUtils]: 59: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,121 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #97#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:43,122 INFO L290 TraceCheckUtils]: 61: Hoare triple {3870#(<= 1 main_~c~0)} assume !(~c~0 >= ~b~0); {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:43,122 INFO L290 TraceCheckUtils]: 62: Hoare triple {3870#(<= 1 main_~c~0)} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {3940#(<= 1 main_~b~0)} is VALID [2022-04-15 14:57:43,123 INFO L290 TraceCheckUtils]: 63: Hoare triple {3940#(<= 1 main_~b~0)} assume !false; {3940#(<= 1 main_~b~0)} is VALID [2022-04-15 14:57:43,123 INFO L290 TraceCheckUtils]: 64: Hoare triple {3940#(<= 1 main_~b~0)} assume !(0 != ~b~0); {3745#false} is VALID [2022-04-15 14:57:43,123 INFO L272 TraceCheckUtils]: 65: Hoare triple {3745#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {3745#false} is VALID [2022-04-15 14:57:43,123 INFO L290 TraceCheckUtils]: 66: Hoare triple {3745#false} ~cond := #in~cond; {3745#false} is VALID [2022-04-15 14:57:43,123 INFO L290 TraceCheckUtils]: 67: Hoare triple {3745#false} assume 0 == ~cond; {3745#false} is VALID [2022-04-15 14:57:43,123 INFO L290 TraceCheckUtils]: 68: Hoare triple {3745#false} assume !false; {3745#false} is VALID [2022-04-15 14:57:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-04-15 14:57:43,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:57:43,436 INFO L290 TraceCheckUtils]: 68: Hoare triple {3745#false} assume !false; {3745#false} is VALID [2022-04-15 14:57:43,436 INFO L290 TraceCheckUtils]: 67: Hoare triple {3745#false} assume 0 == ~cond; {3745#false} is VALID [2022-04-15 14:57:43,436 INFO L290 TraceCheckUtils]: 66: Hoare triple {3745#false} ~cond := #in~cond; {3745#false} is VALID [2022-04-15 14:57:43,436 INFO L272 TraceCheckUtils]: 65: Hoare triple {3745#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {3745#false} is VALID [2022-04-15 14:57:43,437 INFO L290 TraceCheckUtils]: 64: Hoare triple {3940#(<= 1 main_~b~0)} assume !(0 != ~b~0); {3745#false} is VALID [2022-04-15 14:57:43,437 INFO L290 TraceCheckUtils]: 63: Hoare triple {3940#(<= 1 main_~b~0)} assume !false; {3940#(<= 1 main_~b~0)} is VALID [2022-04-15 14:57:43,438 INFO L290 TraceCheckUtils]: 62: Hoare triple {3870#(<= 1 main_~c~0)} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {3940#(<= 1 main_~b~0)} is VALID [2022-04-15 14:57:43,438 INFO L290 TraceCheckUtils]: 61: Hoare triple {3870#(<= 1 main_~c~0)} assume !(~c~0 >= ~b~0); {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:43,439 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #97#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:43,439 INFO L290 TraceCheckUtils]: 59: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,439 INFO L290 TraceCheckUtils]: 58: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,439 INFO L290 TraceCheckUtils]: 57: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,439 INFO L272 TraceCheckUtils]: 56: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,440 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #95#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:43,440 INFO L290 TraceCheckUtils]: 54: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,440 INFO L290 TraceCheckUtils]: 53: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,441 INFO L290 TraceCheckUtils]: 52: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,441 INFO L272 TraceCheckUtils]: 51: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,441 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #93#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:43,441 INFO L290 TraceCheckUtils]: 49: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,442 INFO L290 TraceCheckUtils]: 48: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,442 INFO L290 TraceCheckUtils]: 47: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,442 INFO L272 TraceCheckUtils]: 46: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,443 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #91#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:43,443 INFO L290 TraceCheckUtils]: 44: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,443 INFO L290 TraceCheckUtils]: 43: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,444 INFO L290 TraceCheckUtils]: 42: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,444 INFO L272 TraceCheckUtils]: 41: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,444 INFO L290 TraceCheckUtils]: 40: Hoare triple {3870#(<= 1 main_~c~0)} assume !false; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:43,444 INFO L290 TraceCheckUtils]: 39: Hoare triple {3833#(<= 1 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:43,445 INFO L290 TraceCheckUtils]: 38: Hoare triple {3833#(<= 1 main_~a~0)} assume !false; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 14:57:43,445 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #89#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 14:57:43,445 INFO L290 TraceCheckUtils]: 36: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,445 INFO L290 TraceCheckUtils]: 35: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,445 INFO L290 TraceCheckUtils]: 34: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,446 INFO L272 TraceCheckUtils]: 33: Hoare triple {3833#(<= 1 main_~a~0)} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,446 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #87#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 14:57:43,446 INFO L290 TraceCheckUtils]: 31: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,446 INFO L290 TraceCheckUtils]: 30: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,446 INFO L290 TraceCheckUtils]: 29: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,446 INFO L272 TraceCheckUtils]: 28: Hoare triple {3833#(<= 1 main_~a~0)} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,447 INFO L290 TraceCheckUtils]: 27: Hoare triple {3814#(<= 1 main_~x~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 14:57:43,447 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {3744#true} {3814#(<= 1 main_~x~0)} #85#return; {3814#(<= 1 main_~x~0)} is VALID [2022-04-15 14:57:43,448 INFO L290 TraceCheckUtils]: 25: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,448 INFO L290 TraceCheckUtils]: 24: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,448 INFO L290 TraceCheckUtils]: 23: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,448 INFO L272 TraceCheckUtils]: 22: Hoare triple {3814#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,448 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {3807#(not (= |assume_abort_if_not_#in~cond| 0))} {3744#true} #83#return; {3814#(<= 1 main_~x~0)} is VALID [2022-04-15 14:57:43,449 INFO L290 TraceCheckUtils]: 20: Hoare triple {3807#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {3807#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 14:57:43,450 INFO L290 TraceCheckUtils]: 19: Hoare triple {4109#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} assume !(0 == ~cond); {3807#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 14:57:43,450 INFO L290 TraceCheckUtils]: 18: Hoare triple {3744#true} ~cond := #in~cond; {4109#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} is VALID [2022-04-15 14:57:43,450 INFO L272 TraceCheckUtils]: 17: Hoare triple {3744#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,450 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {3744#true} {3744#true} #81#return; {3744#true} is VALID [2022-04-15 14:57:43,450 INFO L290 TraceCheckUtils]: 15: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,450 INFO L290 TraceCheckUtils]: 14: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,450 INFO L290 TraceCheckUtils]: 13: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,451 INFO L272 TraceCheckUtils]: 12: Hoare triple {3744#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,451 INFO L290 TraceCheckUtils]: 11: Hoare triple {3744#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {3744#true} is VALID [2022-04-15 14:57:43,451 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3744#true} {3744#true} #79#return; {3744#true} is VALID [2022-04-15 14:57:43,451 INFO L290 TraceCheckUtils]: 9: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,451 INFO L290 TraceCheckUtils]: 8: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:43,451 INFO L290 TraceCheckUtils]: 7: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:43,451 INFO L272 TraceCheckUtils]: 6: Hoare triple {3744#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {3744#true} is VALID [2022-04-15 14:57:43,451 INFO L290 TraceCheckUtils]: 5: Hoare triple {3744#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {3744#true} is VALID [2022-04-15 14:57:43,452 INFO L272 TraceCheckUtils]: 4: Hoare triple {3744#true} call #t~ret6 := main(); {3744#true} is VALID [2022-04-15 14:57:43,452 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3744#true} {3744#true} #103#return; {3744#true} is VALID [2022-04-15 14:57:43,452 INFO L290 TraceCheckUtils]: 2: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:43,452 INFO L290 TraceCheckUtils]: 1: Hoare triple {3744#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {3744#true} is VALID [2022-04-15 14:57:43,452 INFO L272 TraceCheckUtils]: 0: Hoare triple {3744#true} call ULTIMATE.init(); {3744#true} is VALID [2022-04-15 14:57:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-04-15 14:57:43,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:57:43,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166577345] [2022-04-15 14:57:43,453 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:57:43,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359530266] [2022-04-15 14:57:43,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359530266] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 14:57:43,453 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 14:57:43,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-04-15 14:57:43,453 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:57:43,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1490197991] [2022-04-15 14:57:43,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1490197991] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:57:43,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:57:43,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-15 14:57:43,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442445926] [2022-04-15 14:57:43,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:57:43,454 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 69 [2022-04-15 14:57:43,455 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:57:43,455 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-04-15 14:57:43,490 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:43,491 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-15 14:57:43,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:43,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-15 14:57:43,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-04-15 14:57:43,491 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-04-15 14:57:44,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:44,322 INFO L93 Difference]: Finished difference Result 106 states and 146 transitions. [2022-04-15 14:57:44,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-15 14:57:44,323 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 69 [2022-04-15 14:57:44,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:57:44,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-04-15 14:57:44,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2022-04-15 14:57:44,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-04-15 14:57:44,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2022-04-15 14:57:44,328 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 110 transitions. [2022-04-15 14:57:44,434 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:44,436 INFO L225 Difference]: With dead ends: 106 [2022-04-15 14:57:44,437 INFO L226 Difference]: Without dead ends: 98 [2022-04-15 14:57:44,437 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-04-15 14:57:44,438 INFO L913 BasicCegarLoop]: 60 mSDtfsCounter, 30 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-15 14:57:44,438 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 259 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-15 14:57:44,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-04-15 14:57:44,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 89. [2022-04-15 14:57:44,582 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:57:44,583 INFO L82 GeneralOperation]: Start isEquivalent. First operand 98 states. Second operand has 89 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 34 states have call successors, (34), 8 states have call predecessors, (34), 7 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-04-15 14:57:44,583 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand has 89 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 34 states have call successors, (34), 8 states have call predecessors, (34), 7 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-04-15 14:57:44,583 INFO L87 Difference]: Start difference. First operand 98 states. Second operand has 89 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 34 states have call successors, (34), 8 states have call predecessors, (34), 7 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-04-15 14:57:44,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:44,587 INFO L93 Difference]: Finished difference Result 98 states and 137 transitions. [2022-04-15 14:57:44,587 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2022-04-15 14:57:44,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:44,589 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:44,589 INFO L74 IsIncluded]: Start isIncluded. First operand has 89 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 34 states have call successors, (34), 8 states have call predecessors, (34), 7 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand 98 states. [2022-04-15 14:57:44,589 INFO L87 Difference]: Start difference. First operand has 89 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 34 states have call successors, (34), 8 states have call predecessors, (34), 7 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand 98 states. [2022-04-15 14:57:44,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:44,593 INFO L93 Difference]: Finished difference Result 98 states and 137 transitions. [2022-04-15 14:57:44,594 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2022-04-15 14:57:44,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:44,594 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:44,594 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:57:44,594 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:57:44,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 34 states have call successors, (34), 8 states have call predecessors, (34), 7 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-04-15 14:57:44,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 122 transitions. [2022-04-15 14:57:44,598 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 122 transitions. Word has length 69 [2022-04-15 14:57:44,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:57:44,599 INFO L478 AbstractCegarLoop]: Abstraction has 89 states and 122 transitions. [2022-04-15 14:57:44,599 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-04-15 14:57:44,599 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 89 states and 122 transitions. [2022-04-15 14:57:44,756 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 122 edges. 122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:44,757 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2022-04-15 14:57:44,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-04-15 14:57:44,757 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:57:44,757 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 14:57:44,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-15 14:57:44,958 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:57:44,958 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:57:44,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:57:44,958 INFO L85 PathProgramCache]: Analyzing trace with hash 376741854, now seen corresponding path program 1 times [2022-04-15 14:57:44,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:44,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [528448371] [2022-04-15 14:57:44,959 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:57:44,959 INFO L85 PathProgramCache]: Analyzing trace with hash 376741854, now seen corresponding path program 2 times [2022-04-15 14:57:44,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:57:44,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316829493] [2022-04-15 14:57:44,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:57:44,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:57:44,977 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:57:44,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1166939232] [2022-04-15 14:57:44,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:57:44,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:57:44,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:57:44,980 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 14:57:44,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-15 14:57:45,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:57:45,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:57:45,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 22 conjunts are in the unsatisfiable core [2022-04-15 14:57:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:57:45,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:57:45,312 INFO L272 TraceCheckUtils]: 0: Hoare triple {4762#true} call ULTIMATE.init(); {4762#true} is VALID [2022-04-15 14:57:45,312 INFO L290 TraceCheckUtils]: 1: Hoare triple {4762#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {4762#true} is VALID [2022-04-15 14:57:45,312 INFO L290 TraceCheckUtils]: 2: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:45,312 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4762#true} {4762#true} #103#return; {4762#true} is VALID [2022-04-15 14:57:45,313 INFO L272 TraceCheckUtils]: 4: Hoare triple {4762#true} call #t~ret6 := main(); {4762#true} is VALID [2022-04-15 14:57:45,313 INFO L290 TraceCheckUtils]: 5: Hoare triple {4762#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {4762#true} is VALID [2022-04-15 14:57:45,313 INFO L272 TraceCheckUtils]: 6: Hoare triple {4762#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:45,313 INFO L290 TraceCheckUtils]: 7: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:45,313 INFO L290 TraceCheckUtils]: 8: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:45,313 INFO L290 TraceCheckUtils]: 9: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:45,313 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4762#true} {4762#true} #79#return; {4762#true} is VALID [2022-04-15 14:57:45,313 INFO L290 TraceCheckUtils]: 11: Hoare triple {4762#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {4762#true} is VALID [2022-04-15 14:57:45,313 INFO L272 TraceCheckUtils]: 12: Hoare triple {4762#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:45,314 INFO L290 TraceCheckUtils]: 13: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:45,314 INFO L290 TraceCheckUtils]: 14: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:45,314 INFO L290 TraceCheckUtils]: 15: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:45,314 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {4762#true} {4762#true} #81#return; {4762#true} is VALID [2022-04-15 14:57:45,314 INFO L272 TraceCheckUtils]: 17: Hoare triple {4762#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:45,314 INFO L290 TraceCheckUtils]: 18: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:45,314 INFO L290 TraceCheckUtils]: 19: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:45,314 INFO L290 TraceCheckUtils]: 20: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:45,314 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {4762#true} {4762#true} #83#return; {4762#true} is VALID [2022-04-15 14:57:45,315 INFO L272 TraceCheckUtils]: 22: Hoare triple {4762#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:45,315 INFO L290 TraceCheckUtils]: 23: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:45,315 INFO L290 TraceCheckUtils]: 24: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:45,315 INFO L290 TraceCheckUtils]: 25: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:45,315 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {4762#true} {4762#true} #85#return; {4762#true} is VALID [2022-04-15 14:57:45,317 INFO L290 TraceCheckUtils]: 27: Hoare triple {4762#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} is VALID [2022-04-15 14:57:45,318 INFO L272 TraceCheckUtils]: 28: Hoare triple {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:45,318 INFO L290 TraceCheckUtils]: 29: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:45,318 INFO L290 TraceCheckUtils]: 30: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:45,318 INFO L290 TraceCheckUtils]: 31: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:45,318 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {4762#true} {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} #87#return; {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} is VALID [2022-04-15 14:57:45,319 INFO L272 TraceCheckUtils]: 33: Hoare triple {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:45,319 INFO L290 TraceCheckUtils]: 34: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:45,319 INFO L290 TraceCheckUtils]: 35: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:45,319 INFO L290 TraceCheckUtils]: 36: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:45,319 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {4762#true} {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} #89#return; {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} is VALID [2022-04-15 14:57:45,320 INFO L290 TraceCheckUtils]: 38: Hoare triple {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} assume !false; {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} is VALID [2022-04-15 14:57:45,320 INFO L290 TraceCheckUtils]: 39: Hoare triple {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {4885#(= main_~q~0 0)} is VALID [2022-04-15 14:57:45,320 INFO L290 TraceCheckUtils]: 40: Hoare triple {4885#(= main_~q~0 0)} assume !false; {4885#(= main_~q~0 0)} is VALID [2022-04-15 14:57:45,320 INFO L272 TraceCheckUtils]: 41: Hoare triple {4885#(= main_~q~0 0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:45,320 INFO L290 TraceCheckUtils]: 42: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:45,320 INFO L290 TraceCheckUtils]: 43: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:45,320 INFO L290 TraceCheckUtils]: 44: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:45,321 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4762#true} {4885#(= main_~q~0 0)} #91#return; {4885#(= main_~q~0 0)} is VALID [2022-04-15 14:57:45,321 INFO L272 TraceCheckUtils]: 46: Hoare triple {4885#(= main_~q~0 0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:45,321 INFO L290 TraceCheckUtils]: 47: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:45,321 INFO L290 TraceCheckUtils]: 48: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:45,321 INFO L290 TraceCheckUtils]: 49: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:45,322 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {4762#true} {4885#(= main_~q~0 0)} #93#return; {4885#(= main_~q~0 0)} is VALID [2022-04-15 14:57:45,322 INFO L272 TraceCheckUtils]: 51: Hoare triple {4885#(= main_~q~0 0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:45,322 INFO L290 TraceCheckUtils]: 52: Hoare triple {4762#true} ~cond := #in~cond; {4925#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:45,323 INFO L290 TraceCheckUtils]: 53: Hoare triple {4925#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:57:45,327 INFO L290 TraceCheckUtils]: 54: Hoare triple {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:57:45,328 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} {4885#(= main_~q~0 0)} #95#return; {4936#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~q~0 0))} is VALID [2022-04-15 14:57:45,328 INFO L272 TraceCheckUtils]: 56: Hoare triple {4936#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~q~0 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:45,328 INFO L290 TraceCheckUtils]: 57: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:45,329 INFO L290 TraceCheckUtils]: 58: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:45,329 INFO L290 TraceCheckUtils]: 59: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:45,330 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {4762#true} {4936#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~q~0 0))} #97#return; {4936#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~q~0 0))} is VALID [2022-04-15 14:57:45,330 INFO L290 TraceCheckUtils]: 61: Hoare triple {4936#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~q~0 0))} assume !(~c~0 >= ~b~0); {4936#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~q~0 0))} is VALID [2022-04-15 14:57:45,331 INFO L290 TraceCheckUtils]: 62: Hoare triple {4936#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~q~0 0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-15 14:57:45,331 INFO L290 TraceCheckUtils]: 63: Hoare triple {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !false; {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-15 14:57:45,332 INFO L290 TraceCheckUtils]: 64: Hoare triple {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-15 14:57:45,332 INFO L290 TraceCheckUtils]: 65: Hoare triple {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !false; {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-15 14:57:45,333 INFO L272 TraceCheckUtils]: 66: Hoare triple {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:45,333 INFO L290 TraceCheckUtils]: 67: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:45,333 INFO L290 TraceCheckUtils]: 68: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:45,333 INFO L290 TraceCheckUtils]: 69: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:45,334 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {4762#true} {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #91#return; {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-15 14:57:45,335 INFO L272 TraceCheckUtils]: 71: Hoare triple {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {4986#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 14:57:45,335 INFO L290 TraceCheckUtils]: 72: Hoare triple {4986#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {4990#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:45,336 INFO L290 TraceCheckUtils]: 73: Hoare triple {4990#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {4763#false} is VALID [2022-04-15 14:57:45,336 INFO L290 TraceCheckUtils]: 74: Hoare triple {4763#false} assume !false; {4763#false} is VALID [2022-04-15 14:57:45,336 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-04-15 14:57:45,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:57:56,744 INFO L290 TraceCheckUtils]: 74: Hoare triple {4763#false} assume !false; {4763#false} is VALID [2022-04-15 14:57:56,745 INFO L290 TraceCheckUtils]: 73: Hoare triple {4990#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {4763#false} is VALID [2022-04-15 14:57:56,746 INFO L290 TraceCheckUtils]: 72: Hoare triple {4986#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {4990#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:56,747 INFO L272 TraceCheckUtils]: 71: Hoare triple {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {4986#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 14:57:56,747 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {4762#true} {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} #91#return; {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 14:57:56,748 INFO L290 TraceCheckUtils]: 69: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:56,748 INFO L290 TraceCheckUtils]: 68: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:56,748 INFO L290 TraceCheckUtils]: 67: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:56,748 INFO L272 TraceCheckUtils]: 66: Hoare triple {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:56,748 INFO L290 TraceCheckUtils]: 65: Hoare triple {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 14:57:56,749 INFO L290 TraceCheckUtils]: 64: Hoare triple {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 14:57:56,749 INFO L290 TraceCheckUtils]: 63: Hoare triple {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 14:57:56,750 INFO L290 TraceCheckUtils]: 62: Hoare triple {5034#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 14:57:56,750 INFO L290 TraceCheckUtils]: 61: Hoare triple {5034#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !(~c~0 >= ~b~0); {5034#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 14:57:56,751 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {4762#true} {5034#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #97#return; {5034#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 14:57:56,751 INFO L290 TraceCheckUtils]: 59: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:56,751 INFO L290 TraceCheckUtils]: 58: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:56,752 INFO L290 TraceCheckUtils]: 57: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:56,752 INFO L272 TraceCheckUtils]: 56: Hoare triple {5034#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:56,752 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} {4762#true} #95#return; {5034#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 14:57:56,753 INFO L290 TraceCheckUtils]: 54: Hoare triple {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:57:56,753 INFO L290 TraceCheckUtils]: 53: Hoare triple {5065#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:57:56,754 INFO L290 TraceCheckUtils]: 52: Hoare triple {4762#true} ~cond := #in~cond; {5065#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 14:57:56,754 INFO L272 TraceCheckUtils]: 51: Hoare triple {4762#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:56,754 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {4762#true} {4762#true} #93#return; {4762#true} is VALID [2022-04-15 14:57:56,754 INFO L290 TraceCheckUtils]: 49: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:56,754 INFO L290 TraceCheckUtils]: 48: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:56,754 INFO L290 TraceCheckUtils]: 47: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:56,754 INFO L272 TraceCheckUtils]: 46: Hoare triple {4762#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:56,755 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4762#true} {4762#true} #91#return; {4762#true} is VALID [2022-04-15 14:57:56,755 INFO L290 TraceCheckUtils]: 44: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:56,755 INFO L290 TraceCheckUtils]: 43: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:56,755 INFO L290 TraceCheckUtils]: 42: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:56,755 INFO L272 TraceCheckUtils]: 41: Hoare triple {4762#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:56,755 INFO L290 TraceCheckUtils]: 40: Hoare triple {4762#true} assume !false; {4762#true} is VALID [2022-04-15 14:57:56,755 INFO L290 TraceCheckUtils]: 39: Hoare triple {4762#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {4762#true} is VALID [2022-04-15 14:57:56,755 INFO L290 TraceCheckUtils]: 38: Hoare triple {4762#true} assume !false; {4762#true} is VALID [2022-04-15 14:57:56,755 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {4762#true} {4762#true} #89#return; {4762#true} is VALID [2022-04-15 14:57:56,756 INFO L290 TraceCheckUtils]: 36: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:56,756 INFO L290 TraceCheckUtils]: 35: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:56,756 INFO L290 TraceCheckUtils]: 34: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:56,756 INFO L272 TraceCheckUtils]: 33: Hoare triple {4762#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:56,756 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {4762#true} {4762#true} #87#return; {4762#true} is VALID [2022-04-15 14:57:56,756 INFO L290 TraceCheckUtils]: 31: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:56,756 INFO L290 TraceCheckUtils]: 30: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:56,756 INFO L290 TraceCheckUtils]: 29: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:56,756 INFO L272 TraceCheckUtils]: 28: Hoare triple {4762#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:56,757 INFO L290 TraceCheckUtils]: 27: Hoare triple {4762#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {4762#true} is VALID [2022-04-15 14:57:56,757 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {4762#true} {4762#true} #85#return; {4762#true} is VALID [2022-04-15 14:57:56,757 INFO L290 TraceCheckUtils]: 25: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:56,757 INFO L290 TraceCheckUtils]: 24: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:56,757 INFO L290 TraceCheckUtils]: 23: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:56,757 INFO L272 TraceCheckUtils]: 22: Hoare triple {4762#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:56,757 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {4762#true} {4762#true} #83#return; {4762#true} is VALID [2022-04-15 14:57:56,757 INFO L290 TraceCheckUtils]: 20: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:56,758 INFO L290 TraceCheckUtils]: 19: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:56,758 INFO L290 TraceCheckUtils]: 18: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:56,758 INFO L272 TraceCheckUtils]: 17: Hoare triple {4762#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:56,758 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {4762#true} {4762#true} #81#return; {4762#true} is VALID [2022-04-15 14:57:56,758 INFO L290 TraceCheckUtils]: 15: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:56,758 INFO L290 TraceCheckUtils]: 14: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:56,758 INFO L290 TraceCheckUtils]: 13: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:56,758 INFO L272 TraceCheckUtils]: 12: Hoare triple {4762#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:56,759 INFO L290 TraceCheckUtils]: 11: Hoare triple {4762#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {4762#true} is VALID [2022-04-15 14:57:56,759 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4762#true} {4762#true} #79#return; {4762#true} is VALID [2022-04-15 14:57:56,759 INFO L290 TraceCheckUtils]: 9: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:56,759 INFO L290 TraceCheckUtils]: 8: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:56,759 INFO L290 TraceCheckUtils]: 7: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:56,759 INFO L272 TraceCheckUtils]: 6: Hoare triple {4762#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:56,759 INFO L290 TraceCheckUtils]: 5: Hoare triple {4762#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {4762#true} is VALID [2022-04-15 14:57:56,759 INFO L272 TraceCheckUtils]: 4: Hoare triple {4762#true} call #t~ret6 := main(); {4762#true} is VALID [2022-04-15 14:57:56,760 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4762#true} {4762#true} #103#return; {4762#true} is VALID [2022-04-15 14:57:56,760 INFO L290 TraceCheckUtils]: 2: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:56,760 INFO L290 TraceCheckUtils]: 1: Hoare triple {4762#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {4762#true} is VALID [2022-04-15 14:57:56,760 INFO L272 TraceCheckUtils]: 0: Hoare triple {4762#true} call ULTIMATE.init(); {4762#true} is VALID [2022-04-15 14:57:56,760 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-04-15 14:57:56,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:57:56,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316829493] [2022-04-15 14:57:56,761 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:57:56,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166939232] [2022-04-15 14:57:56,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166939232] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 14:57:56,761 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 14:57:56,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 13 [2022-04-15 14:57:56,761 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:57:56,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [528448371] [2022-04-15 14:57:56,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [528448371] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:57:56,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:57:56,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-15 14:57:56,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922477717] [2022-04-15 14:57:56,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:57:56,763 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 75 [2022-04-15 14:57:56,763 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:57:56,764 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-04-15 14:57:56,809 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:56,809 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-15 14:57:56,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:56,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-15 14:57:56,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-04-15 14:57:56,810 INFO L87 Difference]: Start difference. First operand 89 states and 122 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-04-15 14:57:57,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:57,662 INFO L93 Difference]: Finished difference Result 124 states and 173 transitions. [2022-04-15 14:57:57,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-15 14:57:57,663 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 75 [2022-04-15 14:57:57,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:57:57,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-04-15 14:57:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 83 transitions. [2022-04-15 14:57:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-04-15 14:57:57,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 83 transitions. [2022-04-15 14:57:57,667 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 83 transitions. [2022-04-15 14:57:57,738 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:57,741 INFO L225 Difference]: With dead ends: 124 [2022-04-15 14:57:57,741 INFO L226 Difference]: Without dead ends: 121 [2022-04-15 14:57:57,742 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2022-04-15 14:57:57,742 INFO L913 BasicCegarLoop]: 44 mSDtfsCounter, 23 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-15 14:57:57,742 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 218 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-15 14:57:57,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-04-15 14:57:57,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2022-04-15 14:57:57,927 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:57:57,927 INFO L82 GeneralOperation]: Start isEquivalent. First operand 121 states. Second operand has 118 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 64 states have internal predecessors, (75), 47 states have call successors, (47), 9 states have call predecessors, (47), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-15 14:57:57,928 INFO L74 IsIncluded]: Start isIncluded. First operand 121 states. Second operand has 118 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 64 states have internal predecessors, (75), 47 states have call successors, (47), 9 states have call predecessors, (47), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-15 14:57:57,928 INFO L87 Difference]: Start difference. First operand 121 states. Second operand has 118 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 64 states have internal predecessors, (75), 47 states have call successors, (47), 9 states have call predecessors, (47), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-15 14:57:57,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:57,933 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2022-04-15 14:57:57,933 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-04-15 14:57:57,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:57,934 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:57,934 INFO L74 IsIncluded]: Start isIncluded. First operand has 118 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 64 states have internal predecessors, (75), 47 states have call successors, (47), 9 states have call predecessors, (47), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 121 states. [2022-04-15 14:57:57,935 INFO L87 Difference]: Start difference. First operand has 118 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 64 states have internal predecessors, (75), 47 states have call successors, (47), 9 states have call predecessors, (47), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 121 states. [2022-04-15 14:57:57,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:57,939 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2022-04-15 14:57:57,939 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-04-15 14:57:57,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:57,939 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:57,939 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:57:57,940 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:57:57,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 64 states have internal predecessors, (75), 47 states have call successors, (47), 9 states have call predecessors, (47), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-15 14:57:57,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2022-04-15 14:57:57,944 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 75 [2022-04-15 14:57:57,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:57:57,944 INFO L478 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2022-04-15 14:57:57,944 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-04-15 14:57:57,944 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 118 states and 166 transitions. [2022-04-15 14:57:58,227 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 166 edges. 166 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2022-04-15 14:57:58,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-04-15 14:57:58,229 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:57:58,229 INFO L499 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 14:57:58,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-15 14:57:58,429 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-04-15 14:57:58,430 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:57:58,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:57:58,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1245952186, now seen corresponding path program 3 times [2022-04-15 14:57:58,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:58,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [416883977] [2022-04-15 14:57:58,430 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:57:58,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1245952186, now seen corresponding path program 4 times [2022-04-15 14:57:58,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:57:58,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950274473] [2022-04-15 14:57:58,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:57:58,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:57:58,444 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:57:58,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [435754089] [2022-04-15 14:57:58,445 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-15 14:57:58,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:57:58,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:57:58,446 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 14:57:58,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-15 14:57:58,500 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-15 14:57:58,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:57:58,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 56 conjunts are in the unsatisfiable core [2022-04-15 14:57:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:57:58,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:57:59,707 INFO L272 TraceCheckUtils]: 0: Hoare triple {5956#true} call ULTIMATE.init(); {5956#true} is VALID [2022-04-15 14:57:59,720 INFO L290 TraceCheckUtils]: 1: Hoare triple {5956#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {5956#true} is VALID [2022-04-15 14:57:59,720 INFO L290 TraceCheckUtils]: 2: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:59,720 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5956#true} {5956#true} #103#return; {5956#true} is VALID [2022-04-15 14:57:59,720 INFO L272 TraceCheckUtils]: 4: Hoare triple {5956#true} call #t~ret6 := main(); {5956#true} is VALID [2022-04-15 14:57:59,720 INFO L290 TraceCheckUtils]: 5: Hoare triple {5956#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {5956#true} is VALID [2022-04-15 14:57:59,720 INFO L272 TraceCheckUtils]: 6: Hoare triple {5956#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:57:59,720 INFO L290 TraceCheckUtils]: 7: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:59,720 INFO L290 TraceCheckUtils]: 8: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:59,721 INFO L290 TraceCheckUtils]: 9: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:59,721 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {5956#true} {5956#true} #79#return; {5956#true} is VALID [2022-04-15 14:57:59,721 INFO L290 TraceCheckUtils]: 11: Hoare triple {5956#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {5956#true} is VALID [2022-04-15 14:57:59,721 INFO L272 TraceCheckUtils]: 12: Hoare triple {5956#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:57:59,722 INFO L290 TraceCheckUtils]: 13: Hoare triple {5956#true} ~cond := #in~cond; {6000#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-15 14:57:59,722 INFO L290 TraceCheckUtils]: 14: Hoare triple {6000#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {6004#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 14:57:59,722 INFO L290 TraceCheckUtils]: 15: Hoare triple {6004#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {6004#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 14:57:59,723 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {6004#(not (= |assume_abort_if_not_#in~cond| 0))} {5956#true} #81#return; {6011#(and (<= 0 main_~y~0) (<= main_~y~0 5))} is VALID [2022-04-15 14:57:59,723 INFO L272 TraceCheckUtils]: 17: Hoare triple {6011#(and (<= 0 main_~y~0) (<= main_~y~0 5))} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:57:59,723 INFO L290 TraceCheckUtils]: 18: Hoare triple {5956#true} ~cond := #in~cond; {6000#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-15 14:57:59,723 INFO L290 TraceCheckUtils]: 19: Hoare triple {6000#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {6004#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 14:57:59,724 INFO L290 TraceCheckUtils]: 20: Hoare triple {6004#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {6004#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 14:57:59,724 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {6004#(not (= |assume_abort_if_not_#in~cond| 0))} {6011#(and (<= 0 main_~y~0) (<= main_~y~0 5))} #83#return; {6027#(and (<= 0 main_~y~0) (<= 1 main_~x~0) (<= main_~y~0 5))} is VALID [2022-04-15 14:57:59,724 INFO L272 TraceCheckUtils]: 22: Hoare triple {6027#(and (<= 0 main_~y~0) (<= 1 main_~x~0) (<= main_~y~0 5))} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:57:59,725 INFO L290 TraceCheckUtils]: 23: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:59,725 INFO L290 TraceCheckUtils]: 24: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:59,725 INFO L290 TraceCheckUtils]: 25: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:59,727 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {5956#true} {6027#(and (<= 0 main_~y~0) (<= 1 main_~x~0) (<= main_~y~0 5))} #85#return; {6027#(and (<= 0 main_~y~0) (<= 1 main_~x~0) (<= main_~y~0 5))} is VALID [2022-04-15 14:57:59,728 INFO L290 TraceCheckUtils]: 27: Hoare triple {6027#(and (<= 0 main_~y~0) (<= 1 main_~x~0) (<= main_~y~0 5))} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {6046#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (<= main_~y~0 5) (= main_~p~0 1))} is VALID [2022-04-15 14:57:59,728 INFO L272 TraceCheckUtils]: 28: Hoare triple {6046#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (<= main_~y~0 5) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:57:59,728 INFO L290 TraceCheckUtils]: 29: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:59,728 INFO L290 TraceCheckUtils]: 30: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:59,728 INFO L290 TraceCheckUtils]: 31: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:59,729 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5956#true} {6046#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (<= main_~y~0 5) (= main_~p~0 1))} #87#return; {6046#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (<= main_~y~0 5) (= main_~p~0 1))} is VALID [2022-04-15 14:57:59,730 INFO L272 TraceCheckUtils]: 33: Hoare triple {6046#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (<= main_~y~0 5) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:57:59,730 INFO L290 TraceCheckUtils]: 34: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:59,730 INFO L290 TraceCheckUtils]: 35: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:59,730 INFO L290 TraceCheckUtils]: 36: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:59,731 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {5956#true} {6046#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (<= main_~y~0 5) (= main_~p~0 1))} #89#return; {6046#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (<= main_~y~0 5) (= main_~p~0 1))} is VALID [2022-04-15 14:57:59,731 INFO L290 TraceCheckUtils]: 38: Hoare triple {6046#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (<= main_~y~0 5) (= main_~p~0 1))} assume !false; {6046#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (<= main_~y~0 5) (= main_~p~0 1))} is VALID [2022-04-15 14:57:59,731 INFO L290 TraceCheckUtils]: 39: Hoare triple {6046#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (<= main_~y~0 5) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6083#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:57:59,732 INFO L290 TraceCheckUtils]: 40: Hoare triple {6083#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !false; {6083#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:57:59,732 INFO L272 TraceCheckUtils]: 41: Hoare triple {6083#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:57:59,732 INFO L290 TraceCheckUtils]: 42: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:59,732 INFO L290 TraceCheckUtils]: 43: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:59,732 INFO L290 TraceCheckUtils]: 44: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:59,736 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {5956#true} {6083#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #91#return; {6083#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:57:59,736 INFO L272 TraceCheckUtils]: 46: Hoare triple {6083#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:57:59,736 INFO L290 TraceCheckUtils]: 47: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:59,736 INFO L290 TraceCheckUtils]: 48: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:59,736 INFO L290 TraceCheckUtils]: 49: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:59,737 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {5956#true} {6083#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #93#return; {6083#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:57:59,737 INFO L272 TraceCheckUtils]: 51: Hoare triple {6083#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:57:59,738 INFO L290 TraceCheckUtils]: 52: Hoare triple {5956#true} ~cond := #in~cond; {6123#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:59,738 INFO L290 TraceCheckUtils]: 53: Hoare triple {6123#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:57:59,739 INFO L290 TraceCheckUtils]: 54: Hoare triple {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:57:59,740 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} {6083#(and (<= 0 main_~y~0) (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #95#return; {6134#(and (<= 0 main_~y~0) (= main_~r~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:57:59,740 INFO L272 TraceCheckUtils]: 56: Hoare triple {6134#(and (<= 0 main_~y~0) (= main_~r~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:57:59,740 INFO L290 TraceCheckUtils]: 57: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:59,740 INFO L290 TraceCheckUtils]: 58: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:59,741 INFO L290 TraceCheckUtils]: 59: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:59,742 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {5956#true} {6134#(and (<= 0 main_~y~0) (= main_~r~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #97#return; {6134#(and (<= 0 main_~y~0) (= main_~r~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:57:59,742 INFO L290 TraceCheckUtils]: 61: Hoare triple {6134#(and (<= 0 main_~y~0) (= main_~r~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {6153#(and (= main_~r~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (< main_~c~0 main_~b~0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:57:59,743 INFO L290 TraceCheckUtils]: 62: Hoare triple {6153#(and (= main_~r~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (< main_~c~0 main_~b~0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} is VALID [2022-04-15 14:57:59,744 INFO L290 TraceCheckUtils]: 63: Hoare triple {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} assume !false; {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} is VALID [2022-04-15 14:57:59,744 INFO L290 TraceCheckUtils]: 64: Hoare triple {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} is VALID [2022-04-15 14:57:59,745 INFO L290 TraceCheckUtils]: 65: Hoare triple {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} assume !false; {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} is VALID [2022-04-15 14:57:59,745 INFO L272 TraceCheckUtils]: 66: Hoare triple {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:57:59,745 INFO L290 TraceCheckUtils]: 67: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:59,745 INFO L290 TraceCheckUtils]: 68: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:59,745 INFO L290 TraceCheckUtils]: 69: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:59,746 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {5956#true} {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} #91#return; {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} is VALID [2022-04-15 14:57:59,747 INFO L272 TraceCheckUtils]: 71: Hoare triple {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:57:59,747 INFO L290 TraceCheckUtils]: 72: Hoare triple {5956#true} ~cond := #in~cond; {6123#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:59,747 INFO L290 TraceCheckUtils]: 73: Hoare triple {6123#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:57:59,748 INFO L290 TraceCheckUtils]: 74: Hoare triple {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:57:59,749 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} #93#return; {6197#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (<= main_~y~0 5))} is VALID [2022-04-15 14:57:59,750 INFO L272 TraceCheckUtils]: 76: Hoare triple {6197#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (<= main_~y~0 5))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {6201#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 14:57:59,750 INFO L290 TraceCheckUtils]: 77: Hoare triple {6201#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6205#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:59,751 INFO L290 TraceCheckUtils]: 78: Hoare triple {6205#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {5957#false} is VALID [2022-04-15 14:57:59,751 INFO L290 TraceCheckUtils]: 79: Hoare triple {5957#false} assume !false; {5957#false} is VALID [2022-04-15 14:57:59,751 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 34 proven. 32 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-04-15 14:57:59,751 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:58:42,844 INFO L290 TraceCheckUtils]: 79: Hoare triple {5957#false} assume !false; {5957#false} is VALID [2022-04-15 14:58:42,845 INFO L290 TraceCheckUtils]: 78: Hoare triple {6205#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {5957#false} is VALID [2022-04-15 14:58:42,845 INFO L290 TraceCheckUtils]: 77: Hoare triple {6201#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6205#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:58:42,846 INFO L272 TraceCheckUtils]: 76: Hoare triple {6221#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {6201#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 14:58:42,847 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} {6225#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} #93#return; {6221#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 14:58:42,848 INFO L290 TraceCheckUtils]: 74: Hoare triple {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:58:42,848 INFO L290 TraceCheckUtils]: 73: Hoare triple {6235#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:58:42,848 INFO L290 TraceCheckUtils]: 72: Hoare triple {5956#true} ~cond := #in~cond; {6235#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 14:58:42,848 INFO L272 TraceCheckUtils]: 71: Hoare triple {6225#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:58:42,849 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {5956#true} {6225#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} #91#return; {6225#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-15 14:58:42,849 INFO L290 TraceCheckUtils]: 69: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:58:42,850 INFO L290 TraceCheckUtils]: 68: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:58:42,850 INFO L290 TraceCheckUtils]: 67: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:58:42,850 INFO L272 TraceCheckUtils]: 66: Hoare triple {6225#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:58:42,850 INFO L290 TraceCheckUtils]: 65: Hoare triple {6225#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} assume !false; {6225#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-15 14:58:42,851 INFO L290 TraceCheckUtils]: 64: Hoare triple {6260#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6225#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-15 14:58:42,851 INFO L290 TraceCheckUtils]: 63: Hoare triple {6260#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} assume !false; {6260#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-15 14:58:42,961 INFO L290 TraceCheckUtils]: 62: Hoare triple {6267#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= main_~c~0 0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {6260#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-15 14:58:42,962 INFO L290 TraceCheckUtils]: 61: Hoare triple {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} assume !(~c~0 >= ~b~0); {6267#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= main_~c~0 0))} is VALID [2022-04-15 14:58:42,963 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {5956#true} {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #97#return; {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-15 14:58:42,963 INFO L290 TraceCheckUtils]: 59: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:58:42,963 INFO L290 TraceCheckUtils]: 58: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:58:42,963 INFO L290 TraceCheckUtils]: 57: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:58:42,963 INFO L272 TraceCheckUtils]: 56: Hoare triple {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:58:42,964 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {5956#true} {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #95#return; {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-15 14:58:42,964 INFO L290 TraceCheckUtils]: 54: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:58:42,964 INFO L290 TraceCheckUtils]: 53: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:58:42,964 INFO L290 TraceCheckUtils]: 52: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:58:42,965 INFO L272 TraceCheckUtils]: 51: Hoare triple {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:58:42,965 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {5956#true} {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #93#return; {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-15 14:58:42,966 INFO L290 TraceCheckUtils]: 49: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:58:42,966 INFO L290 TraceCheckUtils]: 48: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:58:42,966 INFO L290 TraceCheckUtils]: 47: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:58:42,966 INFO L272 TraceCheckUtils]: 46: Hoare triple {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:58:42,967 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {5956#true} {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #91#return; {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-15 14:58:42,967 INFO L290 TraceCheckUtils]: 44: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:58:42,967 INFO L290 TraceCheckUtils]: 43: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:58:42,967 INFO L290 TraceCheckUtils]: 42: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:58:42,967 INFO L272 TraceCheckUtils]: 41: Hoare triple {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:58:42,968 INFO L290 TraceCheckUtils]: 40: Hoare triple {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} assume !false; {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-15 14:58:42,968 INFO L290 TraceCheckUtils]: 39: Hoare triple {6338#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~a~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6271#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-15 14:58:42,969 INFO L290 TraceCheckUtils]: 38: Hoare triple {6338#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~a~0))} assume !false; {6338#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-15 14:58:42,970 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {5956#true} {6338#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~a~0))} #89#return; {6338#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-15 14:58:42,970 INFO L290 TraceCheckUtils]: 36: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:58:42,970 INFO L290 TraceCheckUtils]: 35: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:58:42,970 INFO L290 TraceCheckUtils]: 34: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:58:42,970 INFO L272 TraceCheckUtils]: 33: Hoare triple {6338#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~a~0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:58:42,971 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5956#true} {6338#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~a~0))} #87#return; {6338#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-15 14:58:42,971 INFO L290 TraceCheckUtils]: 31: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:58:42,971 INFO L290 TraceCheckUtils]: 30: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:58:42,971 INFO L290 TraceCheckUtils]: 29: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:58:42,971 INFO L272 TraceCheckUtils]: 28: Hoare triple {6338#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~a~0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:58:42,972 INFO L290 TraceCheckUtils]: 27: Hoare triple {5956#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {6338#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-15 14:58:42,972 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {5956#true} {5956#true} #85#return; {5956#true} is VALID [2022-04-15 14:58:42,972 INFO L290 TraceCheckUtils]: 25: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:58:42,972 INFO L290 TraceCheckUtils]: 24: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:58:42,972 INFO L290 TraceCheckUtils]: 23: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:58:42,973 INFO L272 TraceCheckUtils]: 22: Hoare triple {5956#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:58:42,973 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {5956#true} {5956#true} #83#return; {5956#true} is VALID [2022-04-15 14:58:42,973 INFO L290 TraceCheckUtils]: 20: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:58:42,973 INFO L290 TraceCheckUtils]: 19: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:58:42,973 INFO L290 TraceCheckUtils]: 18: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:58:42,973 INFO L272 TraceCheckUtils]: 17: Hoare triple {5956#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:58:42,973 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {5956#true} {5956#true} #81#return; {5956#true} is VALID [2022-04-15 14:58:42,973 INFO L290 TraceCheckUtils]: 15: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:58:42,973 INFO L290 TraceCheckUtils]: 14: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:58:42,973 INFO L290 TraceCheckUtils]: 13: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:58:42,974 INFO L272 TraceCheckUtils]: 12: Hoare triple {5956#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:58:42,974 INFO L290 TraceCheckUtils]: 11: Hoare triple {5956#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {5956#true} is VALID [2022-04-15 14:58:42,974 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {5956#true} {5956#true} #79#return; {5956#true} is VALID [2022-04-15 14:58:42,974 INFO L290 TraceCheckUtils]: 9: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:58:42,974 INFO L290 TraceCheckUtils]: 8: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:58:42,974 INFO L290 TraceCheckUtils]: 7: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:58:42,974 INFO L272 TraceCheckUtils]: 6: Hoare triple {5956#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {5956#true} is VALID [2022-04-15 14:58:42,974 INFO L290 TraceCheckUtils]: 5: Hoare triple {5956#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {5956#true} is VALID [2022-04-15 14:58:42,974 INFO L272 TraceCheckUtils]: 4: Hoare triple {5956#true} call #t~ret6 := main(); {5956#true} is VALID [2022-04-15 14:58:42,974 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5956#true} {5956#true} #103#return; {5956#true} is VALID [2022-04-15 14:58:42,975 INFO L290 TraceCheckUtils]: 2: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:58:42,975 INFO L290 TraceCheckUtils]: 1: Hoare triple {5956#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {5956#true} is VALID [2022-04-15 14:58:42,975 INFO L272 TraceCheckUtils]: 0: Hoare triple {5956#true} call ULTIMATE.init(); {5956#true} is VALID [2022-04-15 14:58:42,975 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-04-15 14:58:42,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:58:42,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950274473] [2022-04-15 14:58:42,976 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:58:42,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435754089] [2022-04-15 14:58:42,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435754089] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 14:58:42,976 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 14:58:42,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 23 [2022-04-15 14:58:42,976 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:58:42,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [416883977] [2022-04-15 14:58:42,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [416883977] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:58:42,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:58:42,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-15 14:58:42,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064839887] [2022-04-15 14:58:42,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:58:42,977 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) Word has length 80 [2022-04-15 14:58:42,977 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:58:42,978 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 16 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2022-04-15 14:58:43,035 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:58:43,035 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-15 14:58:43,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:58:43,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-15 14:58:43,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2022-04-15 14:58:43,036 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand has 16 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2022-04-15 14:58:44,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:58:44,881 INFO L93 Difference]: Finished difference Result 134 states and 179 transitions. [2022-04-15 14:58:44,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-15 14:58:44,881 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) Word has length 80 [2022-04-15 14:58:44,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:58:44,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2022-04-15 14:58:44,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 91 transitions. [2022-04-15 14:58:44,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2022-04-15 14:58:44,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 91 transitions. [2022-04-15 14:58:44,886 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 15 states and 91 transitions. [2022-04-15 14:58:44,997 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:58:45,000 INFO L225 Difference]: With dead ends: 134 [2022-04-15 14:58:45,000 INFO L226 Difference]: Without dead ends: 132 [2022-04-15 14:58:45,001 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 136 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=144, Invalid=668, Unknown=0, NotChecked=0, Total=812 [2022-04-15 14:58:45,001 INFO L913 BasicCegarLoop]: 32 mSDtfsCounter, 66 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-15 14:58:45,002 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 157 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-15 14:58:45,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-04-15 14:58:45,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2022-04-15 14:58:45,261 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:58:45,263 INFO L82 GeneralOperation]: Start isEquivalent. First operand 132 states. Second operand has 130 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 73 states have internal predecessors, (84), 47 states have call successors, (47), 12 states have call predecessors, (47), 11 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-15 14:58:45,263 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand has 130 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 73 states have internal predecessors, (84), 47 states have call successors, (47), 12 states have call predecessors, (47), 11 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-15 14:58:45,263 INFO L87 Difference]: Start difference. First operand 132 states. Second operand has 130 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 73 states have internal predecessors, (84), 47 states have call successors, (47), 12 states have call predecessors, (47), 11 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-15 14:58:45,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:58:45,267 INFO L93 Difference]: Finished difference Result 132 states and 177 transitions. [2022-04-15 14:58:45,268 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 177 transitions. [2022-04-15 14:58:45,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:58:45,268 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:58:45,269 INFO L74 IsIncluded]: Start isIncluded. First operand has 130 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 73 states have internal predecessors, (84), 47 states have call successors, (47), 12 states have call predecessors, (47), 11 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 132 states. [2022-04-15 14:58:45,269 INFO L87 Difference]: Start difference. First operand has 130 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 73 states have internal predecessors, (84), 47 states have call successors, (47), 12 states have call predecessors, (47), 11 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 132 states. [2022-04-15 14:58:45,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:58:45,273 INFO L93 Difference]: Finished difference Result 132 states and 177 transitions. [2022-04-15 14:58:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 177 transitions. [2022-04-15 14:58:45,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:58:45,274 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:58:45,274 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:58:45,274 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:58:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 73 states have internal predecessors, (84), 47 states have call successors, (47), 12 states have call predecessors, (47), 11 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-15 14:58:45,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 175 transitions. [2022-04-15 14:58:45,279 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 175 transitions. Word has length 80 [2022-04-15 14:58:45,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:58:45,279 INFO L478 AbstractCegarLoop]: Abstraction has 130 states and 175 transitions. [2022-04-15 14:58:45,279 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2022-04-15 14:58:45,279 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 130 states and 175 transitions. [2022-04-15 14:58:45,592 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:58:45,592 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 175 transitions. [2022-04-15 14:58:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-15 14:58:45,593 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:58:45,593 INFO L499 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 14:58:45,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-15 14:58:45,794 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-15 14:58:45,794 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:58:45,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:58:45,794 INFO L85 PathProgramCache]: Analyzing trace with hash 901388446, now seen corresponding path program 5 times [2022-04-15 14:58:45,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:58:45,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [788334208] [2022-04-15 14:58:45,795 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:58:45,795 INFO L85 PathProgramCache]: Analyzing trace with hash 901388446, now seen corresponding path program 6 times [2022-04-15 14:58:45,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:58:45,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143595973] [2022-04-15 14:58:45,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:58:45,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:58:45,807 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:58:45,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [874380350] [2022-04-15 14:58:45,808 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-15 14:58:45,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:58:45,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:58:45,809 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 14:58:45,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-15 14:58:45,882 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-15 14:58:45,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:58:45,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 32 conjunts are in the unsatisfiable core [2022-04-15 14:58:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:58:45,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:58:46,494 INFO L272 TraceCheckUtils]: 0: Hoare triple {7262#true} call ULTIMATE.init(); {7262#true} is VALID [2022-04-15 14:58:46,494 INFO L290 TraceCheckUtils]: 1: Hoare triple {7262#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {7262#true} is VALID [2022-04-15 14:58:46,494 INFO L290 TraceCheckUtils]: 2: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-15 14:58:46,494 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7262#true} {7262#true} #103#return; {7262#true} is VALID [2022-04-15 14:58:46,494 INFO L272 TraceCheckUtils]: 4: Hoare triple {7262#true} call #t~ret6 := main(); {7262#true} is VALID [2022-04-15 14:58:46,495 INFO L290 TraceCheckUtils]: 5: Hoare triple {7262#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {7262#true} is VALID [2022-04-15 14:58:46,495 INFO L272 TraceCheckUtils]: 6: Hoare triple {7262#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {7262#true} is VALID [2022-04-15 14:58:46,495 INFO L290 TraceCheckUtils]: 7: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-15 14:58:46,495 INFO L290 TraceCheckUtils]: 8: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-15 14:58:46,495 INFO L290 TraceCheckUtils]: 9: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-15 14:58:46,495 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {7262#true} {7262#true} #79#return; {7262#true} is VALID [2022-04-15 14:58:46,495 INFO L290 TraceCheckUtils]: 11: Hoare triple {7262#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {7262#true} is VALID [2022-04-15 14:58:46,495 INFO L272 TraceCheckUtils]: 12: Hoare triple {7262#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {7262#true} is VALID [2022-04-15 14:58:46,495 INFO L290 TraceCheckUtils]: 13: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-15 14:58:46,495 INFO L290 TraceCheckUtils]: 14: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-15 14:58:46,495 INFO L290 TraceCheckUtils]: 15: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-15 14:58:46,495 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {7262#true} {7262#true} #81#return; {7262#true} is VALID [2022-04-15 14:58:46,495 INFO L272 TraceCheckUtils]: 17: Hoare triple {7262#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {7262#true} is VALID [2022-04-15 14:58:46,496 INFO L290 TraceCheckUtils]: 18: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-15 14:58:46,496 INFO L290 TraceCheckUtils]: 19: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-15 14:58:46,496 INFO L290 TraceCheckUtils]: 20: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-15 14:58:46,496 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {7262#true} {7262#true} #83#return; {7262#true} is VALID [2022-04-15 14:58:46,496 INFO L272 TraceCheckUtils]: 22: Hoare triple {7262#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {7262#true} is VALID [2022-04-15 14:58:46,496 INFO L290 TraceCheckUtils]: 23: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-15 14:58:46,496 INFO L290 TraceCheckUtils]: 24: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-15 14:58:46,496 INFO L290 TraceCheckUtils]: 25: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-15 14:58:46,496 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {7262#true} {7262#true} #85#return; {7262#true} is VALID [2022-04-15 14:58:46,500 INFO L290 TraceCheckUtils]: 27: Hoare triple {7262#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-15 14:58:46,500 INFO L272 TraceCheckUtils]: 28: Hoare triple {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {7262#true} is VALID [2022-04-15 14:58:46,500 INFO L290 TraceCheckUtils]: 29: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-15 14:58:46,500 INFO L290 TraceCheckUtils]: 30: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-15 14:58:46,500 INFO L290 TraceCheckUtils]: 31: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-15 14:58:46,501 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {7262#true} {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} #87#return; {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-15 14:58:46,501 INFO L272 TraceCheckUtils]: 33: Hoare triple {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {7262#true} is VALID [2022-04-15 14:58:46,501 INFO L290 TraceCheckUtils]: 34: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-15 14:58:46,501 INFO L290 TraceCheckUtils]: 35: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-15 14:58:46,501 INFO L290 TraceCheckUtils]: 36: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-15 14:58:46,502 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {7262#true} {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} #89#return; {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-15 14:58:46,502 INFO L290 TraceCheckUtils]: 38: Hoare triple {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} assume !false; {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-15 14:58:46,502 INFO L290 TraceCheckUtils]: 39: Hoare triple {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-15 14:58:46,503 INFO L290 TraceCheckUtils]: 40: Hoare triple {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} assume !false; {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-15 14:58:46,503 INFO L272 TraceCheckUtils]: 41: Hoare triple {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {7262#true} is VALID [2022-04-15 14:58:46,503 INFO L290 TraceCheckUtils]: 42: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-15 14:58:46,503 INFO L290 TraceCheckUtils]: 43: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-15 14:58:46,503 INFO L290 TraceCheckUtils]: 44: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-15 14:58:46,504 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {7262#true} {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} #91#return; {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-15 14:58:46,504 INFO L272 TraceCheckUtils]: 46: Hoare triple {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {7262#true} is VALID [2022-04-15 14:58:46,504 INFO L290 TraceCheckUtils]: 47: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-15 14:58:46,504 INFO L290 TraceCheckUtils]: 48: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-15 14:58:46,504 INFO L290 TraceCheckUtils]: 49: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-15 14:58:46,505 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {7262#true} {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} #93#return; {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-15 14:58:46,505 INFO L272 TraceCheckUtils]: 51: Hoare triple {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {7262#true} is VALID [2022-04-15 14:58:46,505 INFO L290 TraceCheckUtils]: 52: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-15 14:58:46,505 INFO L290 TraceCheckUtils]: 53: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-15 14:58:46,505 INFO L290 TraceCheckUtils]: 54: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-15 14:58:46,516 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {7262#true} {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} #95#return; {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-15 14:58:46,516 INFO L272 TraceCheckUtils]: 56: Hoare triple {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {7262#true} is VALID [2022-04-15 14:58:46,516 INFO L290 TraceCheckUtils]: 57: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-15 14:58:46,516 INFO L290 TraceCheckUtils]: 58: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-15 14:58:46,516 INFO L290 TraceCheckUtils]: 59: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-15 14:58:46,517 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {7262#true} {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} #97#return; {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-15 14:58:46,518 INFO L290 TraceCheckUtils]: 61: Hoare triple {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} assume !(~c~0 >= ~b~0); {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-15 14:58:46,519 INFO L290 TraceCheckUtils]: 62: Hoare triple {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 14:58:46,519 INFO L290 TraceCheckUtils]: 63: Hoare triple {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 14:58:46,519 INFO L290 TraceCheckUtils]: 64: Hoare triple {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 14:58:46,520 INFO L290 TraceCheckUtils]: 65: Hoare triple {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 14:58:46,520 INFO L272 TraceCheckUtils]: 66: Hoare triple {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {7262#true} is VALID [2022-04-15 14:58:46,520 INFO L290 TraceCheckUtils]: 67: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-15 14:58:46,520 INFO L290 TraceCheckUtils]: 68: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-15 14:58:46,520 INFO L290 TraceCheckUtils]: 69: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-15 14:58:46,521 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {7262#true} {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 14:58:46,521 INFO L272 TraceCheckUtils]: 71: Hoare triple {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {7262#true} is VALID [2022-04-15 14:58:46,521 INFO L290 TraceCheckUtils]: 72: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-15 14:58:46,521 INFO L290 TraceCheckUtils]: 73: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-15 14:58:46,522 INFO L290 TraceCheckUtils]: 74: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-15 14:58:46,522 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {7262#true} {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 14:58:46,522 INFO L272 TraceCheckUtils]: 76: Hoare triple {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {7262#true} is VALID [2022-04-15 14:58:46,523 INFO L290 TraceCheckUtils]: 77: Hoare triple {7262#true} ~cond := #in~cond; {7501#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:58:46,523 INFO L290 TraceCheckUtils]: 78: Hoare triple {7501#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {7505#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:58:46,524 INFO L290 TraceCheckUtils]: 79: Hoare triple {7505#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {7505#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:58:46,524 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {7505#(not (= |__VERIFIER_assert_#in~cond| 0))} {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {7512#(and (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 14:58:46,528 INFO L272 TraceCheckUtils]: 81: Hoare triple {7512#(and (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {7516#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 14:58:46,528 INFO L290 TraceCheckUtils]: 82: Hoare triple {7516#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {7520#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:58:46,528 INFO L290 TraceCheckUtils]: 83: Hoare triple {7520#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {7263#false} is VALID [2022-04-15 14:58:46,529 INFO L290 TraceCheckUtils]: 84: Hoare triple {7263#false} assume !false; {7263#false} is VALID [2022-04-15 14:58:46,529 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 31 proven. 8 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-04-15 14:58:46,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:59:26,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:59:26,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143595973] [2022-04-15 14:59:26,470 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:59:26,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874380350] [2022-04-15 14:59:26,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874380350] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-15 14:59:26,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-15 14:59:26,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-04-15 14:59:26,470 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:59:26,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [788334208] [2022-04-15 14:59:26,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [788334208] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:59:26,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:59:26,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-15 14:59:26,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012822306] [2022-04-15 14:59:26,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:59:26,471 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) Word has length 85 [2022-04-15 14:59:26,471 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:59:26,471 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) [2022-04-15 14:59:26,518 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:59:26,518 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-15 14:59:26,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:59:26,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-15 14:59:26,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-04-15 14:59:26,519 INFO L87 Difference]: Start difference. First operand 130 states and 175 transitions. Second operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) [2022-04-15 14:59:27,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:59:27,818 INFO L93 Difference]: Finished difference Result 142 states and 185 transitions. [2022-04-15 14:59:27,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-15 14:59:27,818 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) Word has length 85 [2022-04-15 14:59:27,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:59:27,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) [2022-04-15 14:59:27,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 98 transitions. [2022-04-15 14:59:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) [2022-04-15 14:59:27,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 98 transitions. [2022-04-15 14:59:27,822 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 98 transitions. [2022-04-15 14:59:27,937 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:59:27,940 INFO L225 Difference]: With dead ends: 142 [2022-04-15 14:59:27,940 INFO L226 Difference]: Without dead ends: 140 [2022-04-15 14:59:27,941 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-04-15 14:59:27,941 INFO L913 BasicCegarLoop]: 44 mSDtfsCounter, 22 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-15 14:59:27,941 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 222 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-15 14:59:27,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-04-15 14:59:28,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2022-04-15 14:59:28,189 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:59:28,189 INFO L82 GeneralOperation]: Start isEquivalent. First operand 140 states. Second operand has 138 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 79 states have internal predecessors, (90), 47 states have call successors, (47), 14 states have call predecessors, (47), 13 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-15 14:59:28,190 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand has 138 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 79 states have internal predecessors, (90), 47 states have call successors, (47), 14 states have call predecessors, (47), 13 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-15 14:59:28,190 INFO L87 Difference]: Start difference. First operand 140 states. Second operand has 138 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 79 states have internal predecessors, (90), 47 states have call successors, (47), 14 states have call predecessors, (47), 13 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-15 14:59:28,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:59:28,194 INFO L93 Difference]: Finished difference Result 140 states and 183 transitions. [2022-04-15 14:59:28,194 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2022-04-15 14:59:28,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:59:28,194 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:59:28,195 INFO L74 IsIncluded]: Start isIncluded. First operand has 138 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 79 states have internal predecessors, (90), 47 states have call successors, (47), 14 states have call predecessors, (47), 13 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 140 states. [2022-04-15 14:59:28,195 INFO L87 Difference]: Start difference. First operand has 138 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 79 states have internal predecessors, (90), 47 states have call successors, (47), 14 states have call predecessors, (47), 13 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 140 states. [2022-04-15 14:59:28,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:59:28,199 INFO L93 Difference]: Finished difference Result 140 states and 183 transitions. [2022-04-15 14:59:28,199 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2022-04-15 14:59:28,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:59:28,200 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:59:28,200 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:59:28,200 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:59:28,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 79 states have internal predecessors, (90), 47 states have call successors, (47), 14 states have call predecessors, (47), 13 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-15 14:59:28,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 181 transitions. [2022-04-15 14:59:28,219 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 181 transitions. Word has length 85 [2022-04-15 14:59:28,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:59:28,221 INFO L478 AbstractCegarLoop]: Abstraction has 138 states and 181 transitions. [2022-04-15 14:59:28,221 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) [2022-04-15 14:59:28,221 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 138 states and 181 transitions. [2022-04-15 14:59:28,494 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 181 edges. 181 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:59:28,495 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 181 transitions. [2022-04-15 14:59:28,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-04-15 14:59:28,495 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:59:28,495 INFO L499 BasicCegarLoop]: trace histogram [9, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 14:59:28,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-15 14:59:28,699 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-04-15 14:59:28,700 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:59:28,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:59:28,700 INFO L85 PathProgramCache]: Analyzing trace with hash -686534738, now seen corresponding path program 1 times [2022-04-15 14:59:28,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:59:28,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1758573790] [2022-04-15 14:59:28,700 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:59:28,701 INFO L85 PathProgramCache]: Analyzing trace with hash -686534738, now seen corresponding path program 2 times [2022-04-15 14:59:28,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:59:28,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33312034] [2022-04-15 14:59:28,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:59:28,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:59:28,728 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:59:28,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1616750350] [2022-04-15 14:59:28,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:59:28,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:59:28,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:59:28,730 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 14:59:28,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-04-15 14:59:28,785 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:59:28,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:59:28,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 39 conjunts are in the unsatisfiable core [2022-04-15 14:59:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:59:28,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:59:29,356 INFO L272 TraceCheckUtils]: 0: Hoare triple {8389#true} call ULTIMATE.init(); {8389#true} is VALID [2022-04-15 14:59:29,356 INFO L290 TraceCheckUtils]: 1: Hoare triple {8389#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {8389#true} is VALID [2022-04-15 14:59:29,357 INFO L290 TraceCheckUtils]: 2: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,357 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8389#true} {8389#true} #103#return; {8389#true} is VALID [2022-04-15 14:59:29,357 INFO L272 TraceCheckUtils]: 4: Hoare triple {8389#true} call #t~ret6 := main(); {8389#true} is VALID [2022-04-15 14:59:29,357 INFO L290 TraceCheckUtils]: 5: Hoare triple {8389#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {8389#true} is VALID [2022-04-15 14:59:29,357 INFO L272 TraceCheckUtils]: 6: Hoare triple {8389#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:29,357 INFO L290 TraceCheckUtils]: 7: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:29,357 INFO L290 TraceCheckUtils]: 8: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:29,357 INFO L290 TraceCheckUtils]: 9: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,357 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8389#true} {8389#true} #79#return; {8389#true} is VALID [2022-04-15 14:59:29,357 INFO L290 TraceCheckUtils]: 11: Hoare triple {8389#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {8389#true} is VALID [2022-04-15 14:59:29,357 INFO L272 TraceCheckUtils]: 12: Hoare triple {8389#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:29,357 INFO L290 TraceCheckUtils]: 13: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:29,357 INFO L290 TraceCheckUtils]: 14: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:29,357 INFO L290 TraceCheckUtils]: 15: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,358 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {8389#true} {8389#true} #81#return; {8389#true} is VALID [2022-04-15 14:59:29,358 INFO L272 TraceCheckUtils]: 17: Hoare triple {8389#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:29,358 INFO L290 TraceCheckUtils]: 18: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:29,358 INFO L290 TraceCheckUtils]: 19: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:29,358 INFO L290 TraceCheckUtils]: 20: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,358 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {8389#true} {8389#true} #83#return; {8389#true} is VALID [2022-04-15 14:59:29,358 INFO L272 TraceCheckUtils]: 22: Hoare triple {8389#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:29,358 INFO L290 TraceCheckUtils]: 23: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:29,358 INFO L290 TraceCheckUtils]: 24: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:29,358 INFO L290 TraceCheckUtils]: 25: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,358 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {8389#true} {8389#true} #85#return; {8389#true} is VALID [2022-04-15 14:59:29,359 INFO L290 TraceCheckUtils]: 27: Hoare triple {8389#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {8475#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,359 INFO L272 TraceCheckUtils]: 28: Hoare triple {8475#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:29,359 INFO L290 TraceCheckUtils]: 29: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:29,359 INFO L290 TraceCheckUtils]: 30: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:29,359 INFO L290 TraceCheckUtils]: 31: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,360 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8389#true} {8475#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {8475#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,360 INFO L272 TraceCheckUtils]: 33: Hoare triple {8475#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:29,360 INFO L290 TraceCheckUtils]: 34: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:29,360 INFO L290 TraceCheckUtils]: 35: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:29,360 INFO L290 TraceCheckUtils]: 36: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,361 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {8389#true} {8475#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {8475#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,361 INFO L290 TraceCheckUtils]: 38: Hoare triple {8475#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {8475#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,361 INFO L290 TraceCheckUtils]: 39: Hoare triple {8475#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,362 INFO L290 TraceCheckUtils]: 40: Hoare triple {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !false; {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,362 INFO L272 TraceCheckUtils]: 41: Hoare triple {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:29,362 INFO L290 TraceCheckUtils]: 42: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:29,362 INFO L290 TraceCheckUtils]: 43: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:29,362 INFO L290 TraceCheckUtils]: 44: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,363 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {8389#true} {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #91#return; {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,363 INFO L272 TraceCheckUtils]: 46: Hoare triple {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:29,363 INFO L290 TraceCheckUtils]: 47: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:29,363 INFO L290 TraceCheckUtils]: 48: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:29,363 INFO L290 TraceCheckUtils]: 49: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,364 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {8389#true} {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #93#return; {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,364 INFO L272 TraceCheckUtils]: 51: Hoare triple {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:29,364 INFO L290 TraceCheckUtils]: 52: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:29,364 INFO L290 TraceCheckUtils]: 53: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:29,364 INFO L290 TraceCheckUtils]: 54: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,365 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {8389#true} {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #95#return; {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,365 INFO L272 TraceCheckUtils]: 56: Hoare triple {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:29,365 INFO L290 TraceCheckUtils]: 57: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:29,365 INFO L290 TraceCheckUtils]: 58: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:29,365 INFO L290 TraceCheckUtils]: 59: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,366 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {8389#true} {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #97#return; {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,366 INFO L290 TraceCheckUtils]: 61: Hoare triple {8512#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,367 INFO L290 TraceCheckUtils]: 62: Hoare triple {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} assume !false; {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,367 INFO L272 TraceCheckUtils]: 63: Hoare triple {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:29,367 INFO L290 TraceCheckUtils]: 64: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:29,367 INFO L290 TraceCheckUtils]: 65: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:29,367 INFO L290 TraceCheckUtils]: 66: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,368 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {8389#true} {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #91#return; {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,368 INFO L272 TraceCheckUtils]: 68: Hoare triple {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:29,368 INFO L290 TraceCheckUtils]: 69: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:29,368 INFO L290 TraceCheckUtils]: 70: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:29,368 INFO L290 TraceCheckUtils]: 71: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,369 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {8389#true} {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #93#return; {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,369 INFO L272 TraceCheckUtils]: 73: Hoare triple {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:29,369 INFO L290 TraceCheckUtils]: 74: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:29,369 INFO L290 TraceCheckUtils]: 75: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:29,369 INFO L290 TraceCheckUtils]: 76: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,370 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {8389#true} {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #95#return; {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,370 INFO L272 TraceCheckUtils]: 78: Hoare triple {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:29,370 INFO L290 TraceCheckUtils]: 79: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:29,370 INFO L290 TraceCheckUtils]: 80: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:29,370 INFO L290 TraceCheckUtils]: 81: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:29,371 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {8389#true} {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #97#return; {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,371 INFO L290 TraceCheckUtils]: 83: Hoare triple {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:29,372 INFO L290 TraceCheckUtils]: 84: Hoare triple {8579#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {8649#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} is VALID [2022-04-15 14:59:29,372 INFO L290 TraceCheckUtils]: 85: Hoare triple {8649#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} assume !false; {8649#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} is VALID [2022-04-15 14:59:29,372 INFO L290 TraceCheckUtils]: 86: Hoare triple {8649#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} assume !(0 != ~b~0); {8656#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) 0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} is VALID [2022-04-15 14:59:29,373 INFO L272 TraceCheckUtils]: 87: Hoare triple {8656#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) 0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {8660#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 14:59:29,373 INFO L290 TraceCheckUtils]: 88: Hoare triple {8660#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {8664#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:59:29,374 INFO L290 TraceCheckUtils]: 89: Hoare triple {8664#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {8390#false} is VALID [2022-04-15 14:59:29,374 INFO L290 TraceCheckUtils]: 90: Hoare triple {8390#false} assume !false; {8390#false} is VALID [2022-04-15 14:59:29,374 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-04-15 14:59:29,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:59:29,861 INFO L290 TraceCheckUtils]: 90: Hoare triple {8390#false} assume !false; {8390#false} is VALID [2022-04-15 14:59:29,861 INFO L290 TraceCheckUtils]: 89: Hoare triple {8664#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {8390#false} is VALID [2022-04-15 14:59:29,862 INFO L290 TraceCheckUtils]: 88: Hoare triple {8660#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {8664#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:59:29,862 INFO L272 TraceCheckUtils]: 87: Hoare triple {8680#(= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0)} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {8660#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 14:59:29,863 INFO L290 TraceCheckUtils]: 86: Hoare triple {8684#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !(0 != ~b~0); {8680#(= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0)} is VALID [2022-04-15 14:59:29,863 INFO L290 TraceCheckUtils]: 85: Hoare triple {8684#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !false; {8684#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is VALID [2022-04-15 14:59:31,864 WARN L290 TraceCheckUtils]: 84: Hoare triple {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {8684#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is UNKNOWN [2022-04-15 14:59:31,865 INFO L290 TraceCheckUtils]: 83: Hoare triple {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !(~c~0 >= ~b~0); {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-15 14:59:31,866 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {8389#true} {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #97#return; {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-15 14:59:31,866 INFO L290 TraceCheckUtils]: 81: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:31,866 INFO L290 TraceCheckUtils]: 80: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:31,866 INFO L290 TraceCheckUtils]: 79: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:31,866 INFO L272 TraceCheckUtils]: 78: Hoare triple {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:31,871 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {8389#true} {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #95#return; {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-15 14:59:31,871 INFO L290 TraceCheckUtils]: 76: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:31,872 INFO L290 TraceCheckUtils]: 75: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:31,872 INFO L290 TraceCheckUtils]: 74: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:31,872 INFO L272 TraceCheckUtils]: 73: Hoare triple {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:31,872 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {8389#true} {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #93#return; {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-15 14:59:31,873 INFO L290 TraceCheckUtils]: 71: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:31,873 INFO L290 TraceCheckUtils]: 70: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:31,873 INFO L290 TraceCheckUtils]: 69: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:31,873 INFO L272 TraceCheckUtils]: 68: Hoare triple {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:31,873 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {8389#true} {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #91#return; {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-15 14:59:31,874 INFO L290 TraceCheckUtils]: 66: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:31,874 INFO L290 TraceCheckUtils]: 65: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:31,874 INFO L290 TraceCheckUtils]: 64: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:31,874 INFO L272 TraceCheckUtils]: 63: Hoare triple {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:31,874 INFO L290 TraceCheckUtils]: 62: Hoare triple {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !false; {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-15 14:59:32,027 INFO L290 TraceCheckUtils]: 61: Hoare triple {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {8691#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-15 14:59:32,028 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {8389#true} {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} #97#return; {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-15 14:59:32,028 INFO L290 TraceCheckUtils]: 59: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:32,028 INFO L290 TraceCheckUtils]: 58: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:32,028 INFO L290 TraceCheckUtils]: 57: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:32,028 INFO L272 TraceCheckUtils]: 56: Hoare triple {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:32,029 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {8389#true} {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} #95#return; {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-15 14:59:32,029 INFO L290 TraceCheckUtils]: 54: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:32,029 INFO L290 TraceCheckUtils]: 53: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:32,029 INFO L290 TraceCheckUtils]: 52: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:32,029 INFO L272 TraceCheckUtils]: 51: Hoare triple {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:32,030 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {8389#true} {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} #93#return; {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-15 14:59:32,030 INFO L290 TraceCheckUtils]: 49: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:32,030 INFO L290 TraceCheckUtils]: 48: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:32,030 INFO L290 TraceCheckUtils]: 47: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:32,030 INFO L272 TraceCheckUtils]: 46: Hoare triple {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:32,031 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {8389#true} {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} #91#return; {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-15 14:59:32,031 INFO L290 TraceCheckUtils]: 44: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:32,031 INFO L290 TraceCheckUtils]: 43: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:32,031 INFO L290 TraceCheckUtils]: 42: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:32,031 INFO L272 TraceCheckUtils]: 41: Hoare triple {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:32,032 INFO L290 TraceCheckUtils]: 40: Hoare triple {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} assume !false; {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-15 14:59:32,032 INFO L290 TraceCheckUtils]: 39: Hoare triple {8828#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {8761#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-15 14:59:32,033 INFO L290 TraceCheckUtils]: 38: Hoare triple {8828#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} assume !false; {8828#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-15 14:59:32,033 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {8389#true} {8828#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} #89#return; {8828#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-15 14:59:32,033 INFO L290 TraceCheckUtils]: 36: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:32,033 INFO L290 TraceCheckUtils]: 35: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:32,033 INFO L290 TraceCheckUtils]: 34: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:32,034 INFO L272 TraceCheckUtils]: 33: Hoare triple {8828#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:32,034 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8389#true} {8828#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} #87#return; {8828#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-15 14:59:32,034 INFO L290 TraceCheckUtils]: 31: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:32,034 INFO L290 TraceCheckUtils]: 30: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:32,034 INFO L290 TraceCheckUtils]: 29: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:32,035 INFO L272 TraceCheckUtils]: 28: Hoare triple {8828#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:32,035 INFO L290 TraceCheckUtils]: 27: Hoare triple {8389#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {8828#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-15 14:59:32,035 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {8389#true} {8389#true} #85#return; {8389#true} is VALID [2022-04-15 14:59:32,035 INFO L290 TraceCheckUtils]: 25: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:32,035 INFO L290 TraceCheckUtils]: 24: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:32,035 INFO L290 TraceCheckUtils]: 23: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:32,035 INFO L272 TraceCheckUtils]: 22: Hoare triple {8389#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:32,035 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {8389#true} {8389#true} #83#return; {8389#true} is VALID [2022-04-15 14:59:32,036 INFO L290 TraceCheckUtils]: 20: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:32,036 INFO L290 TraceCheckUtils]: 19: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:32,036 INFO L290 TraceCheckUtils]: 18: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:32,036 INFO L272 TraceCheckUtils]: 17: Hoare triple {8389#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:32,036 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {8389#true} {8389#true} #81#return; {8389#true} is VALID [2022-04-15 14:59:32,036 INFO L290 TraceCheckUtils]: 15: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:32,036 INFO L290 TraceCheckUtils]: 14: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:32,036 INFO L290 TraceCheckUtils]: 13: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:32,036 INFO L272 TraceCheckUtils]: 12: Hoare triple {8389#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:32,036 INFO L290 TraceCheckUtils]: 11: Hoare triple {8389#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {8389#true} is VALID [2022-04-15 14:59:32,036 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8389#true} {8389#true} #79#return; {8389#true} is VALID [2022-04-15 14:59:32,036 INFO L290 TraceCheckUtils]: 9: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:32,036 INFO L290 TraceCheckUtils]: 8: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-15 14:59:32,036 INFO L290 TraceCheckUtils]: 7: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-15 14:59:32,037 INFO L272 TraceCheckUtils]: 6: Hoare triple {8389#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {8389#true} is VALID [2022-04-15 14:59:32,037 INFO L290 TraceCheckUtils]: 5: Hoare triple {8389#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {8389#true} is VALID [2022-04-15 14:59:32,037 INFO L272 TraceCheckUtils]: 4: Hoare triple {8389#true} call #t~ret6 := main(); {8389#true} is VALID [2022-04-15 14:59:32,037 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8389#true} {8389#true} #103#return; {8389#true} is VALID [2022-04-15 14:59:32,037 INFO L290 TraceCheckUtils]: 2: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-15 14:59:32,037 INFO L290 TraceCheckUtils]: 1: Hoare triple {8389#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {8389#true} is VALID [2022-04-15 14:59:32,037 INFO L272 TraceCheckUtils]: 0: Hoare triple {8389#true} call ULTIMATE.init(); {8389#true} is VALID [2022-04-15 14:59:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-04-15 14:59:32,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:59:32,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33312034] [2022-04-15 14:59:32,038 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:59:32,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616750350] [2022-04-15 14:59:32,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616750350] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 14:59:32,038 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 14:59:32,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2022-04-15 14:59:32,039 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:59:32,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1758573790] [2022-04-15 14:59:32,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1758573790] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:59:32,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:59:32,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-15 14:59:32,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462007939] [2022-04-15 14:59:32,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:59:32,040 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 91 [2022-04-15 14:59:32,040 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:59:32,040 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-04-15 14:59:32,095 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:59:32,095 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-15 14:59:32,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:59:32,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-15 14:59:32,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2022-04-15 14:59:32,096 INFO L87 Difference]: Start difference. First operand 138 states and 181 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-04-15 14:59:33,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:59:33,527 INFO L93 Difference]: Finished difference Result 165 states and 217 transitions. [2022-04-15 14:59:33,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-15 14:59:33,527 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 91 [2022-04-15 14:59:33,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:59:33,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-04-15 14:59:33,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 105 transitions. [2022-04-15 14:59:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-04-15 14:59:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 105 transitions. [2022-04-15 14:59:33,552 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 105 transitions. [2022-04-15 14:59:33,666 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:59:33,668 INFO L225 Difference]: With dead ends: 165 [2022-04-15 14:59:33,668 INFO L226 Difference]: Without dead ends: 162 [2022-04-15 14:59:33,669 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 168 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-04-15 14:59:33,669 INFO L913 BasicCegarLoop]: 57 mSDtfsCounter, 19 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-15 14:59:33,669 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 275 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-15 14:59:33,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-04-15 14:59:33,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 161. [2022-04-15 14:59:33,957 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:59:33,957 INFO L82 GeneralOperation]: Start isEquivalent. First operand 162 states. Second operand has 161 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-15 14:59:33,958 INFO L74 IsIncluded]: Start isIncluded. First operand 162 states. Second operand has 161 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-15 14:59:33,958 INFO L87 Difference]: Start difference. First operand 162 states. Second operand has 161 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-15 14:59:33,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:59:33,962 INFO L93 Difference]: Finished difference Result 162 states and 213 transitions. [2022-04-15 14:59:33,963 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 213 transitions. [2022-04-15 14:59:33,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:59:33,963 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:59:33,964 INFO L74 IsIncluded]: Start isIncluded. First operand has 161 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 162 states. [2022-04-15 14:59:33,964 INFO L87 Difference]: Start difference. First operand has 161 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 162 states. [2022-04-15 14:59:33,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:59:33,968 INFO L93 Difference]: Finished difference Result 162 states and 213 transitions. [2022-04-15 14:59:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 213 transitions. [2022-04-15 14:59:33,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:59:33,969 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:59:33,969 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:59:33,969 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:59:33,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-15 14:59:33,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 212 transitions. [2022-04-15 14:59:33,974 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 212 transitions. Word has length 91 [2022-04-15 14:59:33,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:59:33,974 INFO L478 AbstractCegarLoop]: Abstraction has 161 states and 212 transitions. [2022-04-15 14:59:33,975 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-04-15 14:59:33,975 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 161 states and 212 transitions. [2022-04-15 14:59:34,298 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 212 edges. 212 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:59:34,298 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 212 transitions. [2022-04-15 14:59:34,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-04-15 14:59:34,299 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:59:34,299 INFO L499 BasicCegarLoop]: trace histogram [10, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 14:59:34,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-04-15 14:59:34,511 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-04-15 14:59:34,511 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:59:34,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:59:34,512 INFO L85 PathProgramCache]: Analyzing trace with hash -663071842, now seen corresponding path program 7 times [2022-04-15 14:59:34,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:59:34,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1513830325] [2022-04-15 14:59:34,512 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:59:34,512 INFO L85 PathProgramCache]: Analyzing trace with hash -663071842, now seen corresponding path program 8 times [2022-04-15 14:59:34,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:59:34,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763598580] [2022-04-15 14:59:34,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:59:34,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:59:34,528 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:59:34,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [265849567] [2022-04-15 14:59:34,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:59:34,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:59:34,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:59:34,530 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 14:59:34,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-04-15 14:59:34,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:59:34,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:59:34,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-15 14:59:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:59:34,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:59:34,842 INFO L272 TraceCheckUtils]: 0: Hoare triple {9932#true} call ULTIMATE.init(); {9932#true} is VALID [2022-04-15 14:59:34,843 INFO L290 TraceCheckUtils]: 1: Hoare triple {9932#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {9932#true} is VALID [2022-04-15 14:59:34,843 INFO L290 TraceCheckUtils]: 2: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,843 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9932#true} {9932#true} #103#return; {9932#true} is VALID [2022-04-15 14:59:34,843 INFO L272 TraceCheckUtils]: 4: Hoare triple {9932#true} call #t~ret6 := main(); {9932#true} is VALID [2022-04-15 14:59:34,843 INFO L290 TraceCheckUtils]: 5: Hoare triple {9932#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {9932#true} is VALID [2022-04-15 14:59:34,843 INFO L272 TraceCheckUtils]: 6: Hoare triple {9932#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {9932#true} is VALID [2022-04-15 14:59:34,843 INFO L290 TraceCheckUtils]: 7: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-15 14:59:34,843 INFO L290 TraceCheckUtils]: 8: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-15 14:59:34,843 INFO L290 TraceCheckUtils]: 9: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,843 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {9932#true} {9932#true} #79#return; {9932#true} is VALID [2022-04-15 14:59:34,843 INFO L290 TraceCheckUtils]: 11: Hoare triple {9932#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {9932#true} is VALID [2022-04-15 14:59:34,844 INFO L272 TraceCheckUtils]: 12: Hoare triple {9932#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {9932#true} is VALID [2022-04-15 14:59:34,844 INFO L290 TraceCheckUtils]: 13: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-15 14:59:34,844 INFO L290 TraceCheckUtils]: 14: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-15 14:59:34,844 INFO L290 TraceCheckUtils]: 15: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,844 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {9932#true} {9932#true} #81#return; {9932#true} is VALID [2022-04-15 14:59:34,844 INFO L272 TraceCheckUtils]: 17: Hoare triple {9932#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {9932#true} is VALID [2022-04-15 14:59:34,844 INFO L290 TraceCheckUtils]: 18: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-15 14:59:34,844 INFO L290 TraceCheckUtils]: 19: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-15 14:59:34,844 INFO L290 TraceCheckUtils]: 20: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,844 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {9932#true} {9932#true} #83#return; {9932#true} is VALID [2022-04-15 14:59:34,844 INFO L272 TraceCheckUtils]: 22: Hoare triple {9932#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {9932#true} is VALID [2022-04-15 14:59:34,844 INFO L290 TraceCheckUtils]: 23: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-15 14:59:34,844 INFO L290 TraceCheckUtils]: 24: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-15 14:59:34,844 INFO L290 TraceCheckUtils]: 25: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,845 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {9932#true} {9932#true} #85#return; {9932#true} is VALID [2022-04-15 14:59:34,845 INFO L290 TraceCheckUtils]: 27: Hoare triple {9932#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {9932#true} is VALID [2022-04-15 14:59:34,845 INFO L272 TraceCheckUtils]: 28: Hoare triple {9932#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {9932#true} is VALID [2022-04-15 14:59:34,845 INFO L290 TraceCheckUtils]: 29: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-15 14:59:34,845 INFO L290 TraceCheckUtils]: 30: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-15 14:59:34,845 INFO L290 TraceCheckUtils]: 31: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,845 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {9932#true} {9932#true} #87#return; {9932#true} is VALID [2022-04-15 14:59:34,845 INFO L272 TraceCheckUtils]: 33: Hoare triple {9932#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {9932#true} is VALID [2022-04-15 14:59:34,845 INFO L290 TraceCheckUtils]: 34: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-15 14:59:34,845 INFO L290 TraceCheckUtils]: 35: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-15 14:59:34,845 INFO L290 TraceCheckUtils]: 36: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,845 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {9932#true} {9932#true} #89#return; {9932#true} is VALID [2022-04-15 14:59:34,845 INFO L290 TraceCheckUtils]: 38: Hoare triple {9932#true} assume !false; {9932#true} is VALID [2022-04-15 14:59:34,845 INFO L290 TraceCheckUtils]: 39: Hoare triple {9932#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {9932#true} is VALID [2022-04-15 14:59:34,846 INFO L290 TraceCheckUtils]: 40: Hoare triple {9932#true} assume !false; {9932#true} is VALID [2022-04-15 14:59:34,846 INFO L272 TraceCheckUtils]: 41: Hoare triple {9932#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {9932#true} is VALID [2022-04-15 14:59:34,846 INFO L290 TraceCheckUtils]: 42: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-15 14:59:34,846 INFO L290 TraceCheckUtils]: 43: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-15 14:59:34,846 INFO L290 TraceCheckUtils]: 44: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,846 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {9932#true} {9932#true} #91#return; {9932#true} is VALID [2022-04-15 14:59:34,846 INFO L272 TraceCheckUtils]: 46: Hoare triple {9932#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {9932#true} is VALID [2022-04-15 14:59:34,846 INFO L290 TraceCheckUtils]: 47: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-15 14:59:34,846 INFO L290 TraceCheckUtils]: 48: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-15 14:59:34,846 INFO L290 TraceCheckUtils]: 49: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,846 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {9932#true} {9932#true} #93#return; {9932#true} is VALID [2022-04-15 14:59:34,846 INFO L272 TraceCheckUtils]: 51: Hoare triple {9932#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {9932#true} is VALID [2022-04-15 14:59:34,846 INFO L290 TraceCheckUtils]: 52: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-15 14:59:34,846 INFO L290 TraceCheckUtils]: 53: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-15 14:59:34,847 INFO L290 TraceCheckUtils]: 54: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,847 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {9932#true} {9932#true} #95#return; {9932#true} is VALID [2022-04-15 14:59:34,847 INFO L272 TraceCheckUtils]: 56: Hoare triple {9932#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {9932#true} is VALID [2022-04-15 14:59:34,847 INFO L290 TraceCheckUtils]: 57: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-15 14:59:34,847 INFO L290 TraceCheckUtils]: 58: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-15 14:59:34,847 INFO L290 TraceCheckUtils]: 59: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,847 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {9932#true} {9932#true} #97#return; {9932#true} is VALID [2022-04-15 14:59:34,847 INFO L290 TraceCheckUtils]: 61: Hoare triple {9932#true} assume !(~c~0 >= ~b~0); {10120#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 14:59:34,848 INFO L290 TraceCheckUtils]: 62: Hoare triple {10120#(not (<= main_~b~0 main_~c~0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {10124#(< main_~b~0 main_~a~0)} is VALID [2022-04-15 14:59:34,848 INFO L290 TraceCheckUtils]: 63: Hoare triple {10124#(< main_~b~0 main_~a~0)} assume !false; {10124#(< main_~b~0 main_~a~0)} is VALID [2022-04-15 14:59:34,849 INFO L290 TraceCheckUtils]: 64: Hoare triple {10124#(< main_~b~0 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {10131#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 14:59:34,849 INFO L290 TraceCheckUtils]: 65: Hoare triple {10131#(< main_~b~0 main_~c~0)} assume !false; {10131#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 14:59:34,849 INFO L272 TraceCheckUtils]: 66: Hoare triple {10131#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {9932#true} is VALID [2022-04-15 14:59:34,849 INFO L290 TraceCheckUtils]: 67: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-15 14:59:34,849 INFO L290 TraceCheckUtils]: 68: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-15 14:59:34,849 INFO L290 TraceCheckUtils]: 69: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,850 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {9932#true} {10131#(< main_~b~0 main_~c~0)} #91#return; {10131#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 14:59:34,850 INFO L272 TraceCheckUtils]: 71: Hoare triple {10131#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {9932#true} is VALID [2022-04-15 14:59:34,850 INFO L290 TraceCheckUtils]: 72: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-15 14:59:34,850 INFO L290 TraceCheckUtils]: 73: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-15 14:59:34,850 INFO L290 TraceCheckUtils]: 74: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,850 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {9932#true} {10131#(< main_~b~0 main_~c~0)} #93#return; {10131#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 14:59:34,851 INFO L272 TraceCheckUtils]: 76: Hoare triple {10131#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {9932#true} is VALID [2022-04-15 14:59:34,851 INFO L290 TraceCheckUtils]: 77: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-15 14:59:34,851 INFO L290 TraceCheckUtils]: 78: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-15 14:59:34,851 INFO L290 TraceCheckUtils]: 79: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,851 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {9932#true} {10131#(< main_~b~0 main_~c~0)} #95#return; {10131#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 14:59:34,851 INFO L272 TraceCheckUtils]: 81: Hoare triple {10131#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {9932#true} is VALID [2022-04-15 14:59:34,851 INFO L290 TraceCheckUtils]: 82: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-15 14:59:34,852 INFO L290 TraceCheckUtils]: 83: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-15 14:59:34,852 INFO L290 TraceCheckUtils]: 84: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-15 14:59:34,852 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {9932#true} {10131#(< main_~b~0 main_~c~0)} #97#return; {10131#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 14:59:34,855 INFO L290 TraceCheckUtils]: 86: Hoare triple {10131#(< main_~b~0 main_~c~0)} assume !(~c~0 >= ~b~0); {9933#false} is VALID [2022-04-15 14:59:34,855 INFO L290 TraceCheckUtils]: 87: Hoare triple {9933#false} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {9933#false} is VALID [2022-04-15 14:59:34,855 INFO L290 TraceCheckUtils]: 88: Hoare triple {9933#false} assume !false; {9933#false} is VALID [2022-04-15 14:59:34,856 INFO L290 TraceCheckUtils]: 89: Hoare triple {9933#false} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {9933#false} is VALID [2022-04-15 14:59:34,856 INFO L290 TraceCheckUtils]: 90: Hoare triple {9933#false} assume !false; {9933#false} is VALID [2022-04-15 14:59:34,856 INFO L272 TraceCheckUtils]: 91: Hoare triple {9933#false} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {9933#false} is VALID [2022-04-15 14:59:34,856 INFO L290 TraceCheckUtils]: 92: Hoare triple {9933#false} ~cond := #in~cond; {9933#false} is VALID [2022-04-15 14:59:34,856 INFO L290 TraceCheckUtils]: 93: Hoare triple {9933#false} assume !(0 == ~cond); {9933#false} is VALID [2022-04-15 14:59:34,856 INFO L290 TraceCheckUtils]: 94: Hoare triple {9933#false} assume true; {9933#false} is VALID [2022-04-15 14:59:34,856 INFO L284 TraceCheckUtils]: 95: Hoare quadruple {9933#false} {9933#false} #91#return; {9933#false} is VALID [2022-04-15 14:59:34,856 INFO L272 TraceCheckUtils]: 96: Hoare triple {9933#false} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {9933#false} is VALID [2022-04-15 14:59:34,856 INFO L290 TraceCheckUtils]: 97: Hoare triple {9933#false} ~cond := #in~cond; {9933#false} is VALID [2022-04-15 14:59:34,856 INFO L290 TraceCheckUtils]: 98: Hoare triple {9933#false} assume 0 == ~cond; {9933#false} is VALID [2022-04-15 14:59:34,857 INFO L290 TraceCheckUtils]: 99: Hoare triple {9933#false} assume !false; {9933#false} is VALID [2022-04-15 14:59:34,857 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-04-15 14:59:34,857 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 14:59:34,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:59:34,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763598580] [2022-04-15 14:59:34,857 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:59:34,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265849567] [2022-04-15 14:59:34,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265849567] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:59:34,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:59:34,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:59:34,858 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:59:34,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1513830325] [2022-04-15 14:59:34,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1513830325] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:59:34,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:59:34,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:59:34,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437770400] [2022-04-15 14:59:34,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:59:34,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 100 [2022-04-15 14:59:34,859 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:59:34,859 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-04-15 14:59:34,904 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:59:34,904 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 14:59:34,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:59:34,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 14:59:34,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 14:59:34,904 INFO L87 Difference]: Start difference. First operand 161 states and 212 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-04-15 14:59:35,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:59:35,498 INFO L93 Difference]: Finished difference Result 209 states and 286 transitions. [2022-04-15 14:59:35,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-15 14:59:35,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 100 [2022-04-15 14:59:35,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:59:35,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-04-15 14:59:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-04-15 14:59:35,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-04-15 14:59:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-04-15 14:59:35,502 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 94 transitions. [2022-04-15 14:59:35,594 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:59:35,597 INFO L225 Difference]: With dead ends: 209 [2022-04-15 14:59:35,597 INFO L226 Difference]: Without dead ends: 164 [2022-04-15 14:59:35,598 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-04-15 14:59:35,598 INFO L913 BasicCegarLoop]: 58 mSDtfsCounter, 6 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 14:59:35,599 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 163 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 14:59:35,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-04-15 14:59:35,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 155. [2022-04-15 14:59:35,950 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:59:35,950 INFO L82 GeneralOperation]: Start isEquivalent. First operand 164 states. Second operand has 155 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-15 14:59:35,951 INFO L74 IsIncluded]: Start isIncluded. First operand 164 states. Second operand has 155 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-15 14:59:35,951 INFO L87 Difference]: Start difference. First operand 164 states. Second operand has 155 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-15 14:59:35,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:59:35,956 INFO L93 Difference]: Finished difference Result 164 states and 215 transitions. [2022-04-15 14:59:35,956 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 215 transitions. [2022-04-15 14:59:35,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:59:35,956 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:59:35,957 INFO L74 IsIncluded]: Start isIncluded. First operand has 155 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 164 states. [2022-04-15 14:59:35,957 INFO L87 Difference]: Start difference. First operand has 155 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 164 states. [2022-04-15 14:59:35,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:59:35,962 INFO L93 Difference]: Finished difference Result 164 states and 215 transitions. [2022-04-15 14:59:35,962 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 215 transitions. [2022-04-15 14:59:35,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:59:35,963 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:59:35,963 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:59:35,963 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:59:35,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-15 14:59:35,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 201 transitions. [2022-04-15 14:59:35,967 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 201 transitions. Word has length 100 [2022-04-15 14:59:35,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:59:35,968 INFO L478 AbstractCegarLoop]: Abstraction has 155 states and 201 transitions. [2022-04-15 14:59:35,968 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-04-15 14:59:35,968 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 155 states and 201 transitions. [2022-04-15 14:59:36,311 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:59:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 201 transitions. [2022-04-15 14:59:36,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-04-15 14:59:36,312 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:59:36,312 INFO L499 BasicCegarLoop]: trace histogram [12, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 14:59:36,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-04-15 14:59:36,528 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-04-15 14:59:36,528 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:59:36,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:59:36,529 INFO L85 PathProgramCache]: Analyzing trace with hash -428114403, now seen corresponding path program 1 times [2022-04-15 14:59:36,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:59:36,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [89746127] [2022-04-15 14:59:36,529 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:59:36,529 INFO L85 PathProgramCache]: Analyzing trace with hash -428114403, now seen corresponding path program 2 times [2022-04-15 14:59:36,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:59:36,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426705100] [2022-04-15 14:59:36,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:59:36,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:59:36,545 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:59:36,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [92567321] [2022-04-15 14:59:36,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:59:36,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:59:36,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:59:36,547 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 14:59:36,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-04-15 14:59:36,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:59:36,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:59:36,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 66 conjunts are in the unsatisfiable core [2022-04-15 14:59:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:59:36,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:59:38,398 INFO L272 TraceCheckUtils]: 0: Hoare triple {11296#true} call ULTIMATE.init(); {11296#true} is VALID [2022-04-15 14:59:38,399 INFO L290 TraceCheckUtils]: 1: Hoare triple {11296#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {11296#true} is VALID [2022-04-15 14:59:38,399 INFO L290 TraceCheckUtils]: 2: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 14:59:38,399 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11296#true} {11296#true} #103#return; {11296#true} is VALID [2022-04-15 14:59:38,399 INFO L272 TraceCheckUtils]: 4: Hoare triple {11296#true} call #t~ret6 := main(); {11296#true} is VALID [2022-04-15 14:59:38,399 INFO L290 TraceCheckUtils]: 5: Hoare triple {11296#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {11296#true} is VALID [2022-04-15 14:59:38,399 INFO L272 TraceCheckUtils]: 6: Hoare triple {11296#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,399 INFO L290 TraceCheckUtils]: 7: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 14:59:38,399 INFO L290 TraceCheckUtils]: 8: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 14:59:38,399 INFO L290 TraceCheckUtils]: 9: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 14:59:38,400 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {11296#true} {11296#true} #79#return; {11296#true} is VALID [2022-04-15 14:59:38,400 INFO L290 TraceCheckUtils]: 11: Hoare triple {11296#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {11296#true} is VALID [2022-04-15 14:59:38,400 INFO L272 TraceCheckUtils]: 12: Hoare triple {11296#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,400 INFO L290 TraceCheckUtils]: 13: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 14:59:38,400 INFO L290 TraceCheckUtils]: 14: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 14:59:38,400 INFO L290 TraceCheckUtils]: 15: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 14:59:38,400 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {11296#true} {11296#true} #81#return; {11296#true} is VALID [2022-04-15 14:59:38,400 INFO L272 TraceCheckUtils]: 17: Hoare triple {11296#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,401 INFO L290 TraceCheckUtils]: 18: Hoare triple {11296#true} ~cond := #in~cond; {11355#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-15 14:59:38,401 INFO L290 TraceCheckUtils]: 19: Hoare triple {11355#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {11359#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 14:59:38,401 INFO L290 TraceCheckUtils]: 20: Hoare triple {11359#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {11359#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 14:59:38,402 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {11359#(not (= |assume_abort_if_not_#in~cond| 0))} {11296#true} #83#return; {11366#(<= 1 main_~x~0)} is VALID [2022-04-15 14:59:38,402 INFO L272 TraceCheckUtils]: 22: Hoare triple {11366#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,402 INFO L290 TraceCheckUtils]: 23: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 14:59:38,402 INFO L290 TraceCheckUtils]: 24: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 14:59:38,402 INFO L290 TraceCheckUtils]: 25: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 14:59:38,403 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {11296#true} {11366#(<= 1 main_~x~0)} #85#return; {11366#(<= 1 main_~x~0)} is VALID [2022-04-15 14:59:38,403 INFO L290 TraceCheckUtils]: 27: Hoare triple {11366#(<= 1 main_~x~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {11385#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,403 INFO L272 TraceCheckUtils]: 28: Hoare triple {11385#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,403 INFO L290 TraceCheckUtils]: 29: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 14:59:38,404 INFO L290 TraceCheckUtils]: 30: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 14:59:38,404 INFO L290 TraceCheckUtils]: 31: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 14:59:38,404 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {11296#true} {11385#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {11385#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,404 INFO L272 TraceCheckUtils]: 33: Hoare triple {11385#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,405 INFO L290 TraceCheckUtils]: 34: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 14:59:38,405 INFO L290 TraceCheckUtils]: 35: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 14:59:38,405 INFO L290 TraceCheckUtils]: 36: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 14:59:38,406 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {11296#true} {11385#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {11385#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,406 INFO L290 TraceCheckUtils]: 38: Hoare triple {11385#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {11385#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,407 INFO L290 TraceCheckUtils]: 39: Hoare triple {11385#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,407 INFO L290 TraceCheckUtils]: 40: Hoare triple {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,408 INFO L272 TraceCheckUtils]: 41: Hoare triple {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,408 INFO L290 TraceCheckUtils]: 42: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 14:59:38,408 INFO L290 TraceCheckUtils]: 43: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 14:59:38,408 INFO L290 TraceCheckUtils]: 44: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 14:59:38,409 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {11296#true} {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,409 INFO L272 TraceCheckUtils]: 46: Hoare triple {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,409 INFO L290 TraceCheckUtils]: 47: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 14:59:38,409 INFO L290 TraceCheckUtils]: 48: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 14:59:38,409 INFO L290 TraceCheckUtils]: 49: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 14:59:38,410 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {11296#true} {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,410 INFO L272 TraceCheckUtils]: 51: Hoare triple {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,410 INFO L290 TraceCheckUtils]: 52: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 14:59:38,410 INFO L290 TraceCheckUtils]: 53: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 14:59:38,411 INFO L290 TraceCheckUtils]: 54: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 14:59:38,411 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {11296#true} {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,411 INFO L272 TraceCheckUtils]: 56: Hoare triple {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,412 INFO L290 TraceCheckUtils]: 57: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 14:59:38,412 INFO L290 TraceCheckUtils]: 58: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 14:59:38,412 INFO L290 TraceCheckUtils]: 59: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 14:59:38,413 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {11296#true} {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,414 INFO L290 TraceCheckUtils]: 61: Hoare triple {11422#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {11489#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,414 INFO L290 TraceCheckUtils]: 62: Hoare triple {11489#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {11489#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,415 INFO L272 TraceCheckUtils]: 63: Hoare triple {11489#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,415 INFO L290 TraceCheckUtils]: 64: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 14:59:38,415 INFO L290 TraceCheckUtils]: 65: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 14:59:38,415 INFO L290 TraceCheckUtils]: 66: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 14:59:38,416 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {11296#true} {11489#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {11489#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,416 INFO L272 TraceCheckUtils]: 68: Hoare triple {11489#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,416 INFO L290 TraceCheckUtils]: 69: Hoare triple {11296#true} ~cond := #in~cond; {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:59:38,417 INFO L290 TraceCheckUtils]: 70: Hoare triple {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:59:38,417 INFO L290 TraceCheckUtils]: 71: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:59:38,418 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11489#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,419 INFO L272 TraceCheckUtils]: 73: Hoare triple {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,419 INFO L290 TraceCheckUtils]: 74: Hoare triple {11296#true} ~cond := #in~cond; {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:59:38,419 INFO L290 TraceCheckUtils]: 75: Hoare triple {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:59:38,420 INFO L290 TraceCheckUtils]: 76: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:59:38,420 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #95#return; {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,421 INFO L272 TraceCheckUtils]: 78: Hoare triple {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,421 INFO L290 TraceCheckUtils]: 79: Hoare triple {11296#true} ~cond := #in~cond; {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:59:38,421 INFO L290 TraceCheckUtils]: 80: Hoare triple {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:59:38,421 INFO L290 TraceCheckUtils]: 81: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:59:38,422 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #97#return; {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,423 INFO L290 TraceCheckUtils]: 83: Hoare triple {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {11559#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= (+ main_~c~0 main_~y~0) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-15 14:59:38,424 INFO L290 TraceCheckUtils]: 84: Hoare triple {11559#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= (+ main_~c~0 main_~y~0) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-15 14:59:38,425 INFO L290 TraceCheckUtils]: 85: Hoare triple {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} assume !false; {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-15 14:59:38,425 INFO L290 TraceCheckUtils]: 86: Hoare triple {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-15 14:59:38,426 INFO L290 TraceCheckUtils]: 87: Hoare triple {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} assume !false; {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-15 14:59:38,426 INFO L272 TraceCheckUtils]: 88: Hoare triple {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,426 INFO L290 TraceCheckUtils]: 89: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 14:59:38,426 INFO L290 TraceCheckUtils]: 90: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 14:59:38,426 INFO L290 TraceCheckUtils]: 91: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 14:59:38,427 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {11296#true} {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} #91#return; {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-15 14:59:38,427 INFO L272 TraceCheckUtils]: 93: Hoare triple {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,427 INFO L290 TraceCheckUtils]: 94: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 14:59:38,427 INFO L290 TraceCheckUtils]: 95: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 14:59:38,427 INFO L290 TraceCheckUtils]: 96: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 14:59:38,428 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {11296#true} {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} #93#return; {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-15 14:59:38,428 INFO L272 TraceCheckUtils]: 98: Hoare triple {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 14:59:38,429 INFO L290 TraceCheckUtils]: 99: Hoare triple {11296#true} ~cond := #in~cond; {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:59:38,429 INFO L290 TraceCheckUtils]: 100: Hoare triple {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:59:38,430 INFO L290 TraceCheckUtils]: 101: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:59:38,430 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} #95#return; {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-15 14:59:38,432 INFO L272 TraceCheckUtils]: 103: Hoare triple {11563#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11621#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 14:59:38,433 INFO L290 TraceCheckUtils]: 104: Hoare triple {11621#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {11625#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:59:38,433 INFO L290 TraceCheckUtils]: 105: Hoare triple {11625#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11297#false} is VALID [2022-04-15 14:59:38,433 INFO L290 TraceCheckUtils]: 106: Hoare triple {11297#false} assume !false; {11297#false} is VALID [2022-04-15 14:59:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 90 proven. 49 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-04-15 14:59:38,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:01:18,444 WARN L232 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-15 15:01:24,088 INFO L290 TraceCheckUtils]: 106: Hoare triple {11297#false} assume !false; {11297#false} is VALID [2022-04-15 15:01:24,089 INFO L290 TraceCheckUtils]: 105: Hoare triple {11625#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11297#false} is VALID [2022-04-15 15:01:24,089 INFO L290 TraceCheckUtils]: 104: Hoare triple {11621#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {11625#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:01:24,090 INFO L272 TraceCheckUtils]: 103: Hoare triple {11641#(= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11621#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 15:01:24,091 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #95#return; {11641#(= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))} is VALID [2022-04-15 15:01:24,091 INFO L290 TraceCheckUtils]: 101: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:24,092 INFO L290 TraceCheckUtils]: 100: Hoare triple {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:24,092 INFO L290 TraceCheckUtils]: 99: Hoare triple {11296#true} ~cond := #in~cond; {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 15:01:24,092 INFO L272 TraceCheckUtils]: 98: Hoare triple {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:24,093 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {11296#true} {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #93#return; {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:01:24,093 INFO L290 TraceCheckUtils]: 96: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 15:01:24,093 INFO L290 TraceCheckUtils]: 95: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 15:01:24,093 INFO L290 TraceCheckUtils]: 94: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 15:01:24,093 INFO L272 TraceCheckUtils]: 93: Hoare triple {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:24,094 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {11296#true} {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #91#return; {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:01:24,094 INFO L290 TraceCheckUtils]: 91: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 15:01:24,094 INFO L290 TraceCheckUtils]: 90: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 15:01:24,094 INFO L290 TraceCheckUtils]: 89: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 15:01:24,094 INFO L272 TraceCheckUtils]: 88: Hoare triple {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:24,094 INFO L290 TraceCheckUtils]: 87: Hoare triple {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:01:24,095 INFO L290 TraceCheckUtils]: 86: Hoare triple {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:01:24,095 INFO L290 TraceCheckUtils]: 85: Hoare triple {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:01:26,097 WARN L290 TraceCheckUtils]: 84: Hoare triple {11701#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {11645#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is UNKNOWN [2022-04-15 15:01:26,098 INFO L290 TraceCheckUtils]: 83: Hoare triple {11705#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} assume !(~c~0 >= ~b~0); {11701#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-15 15:01:26,099 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11709#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #97#return; {11705#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-15 15:01:26,099 INFO L290 TraceCheckUtils]: 81: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:26,100 INFO L290 TraceCheckUtils]: 80: Hoare triple {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:26,100 INFO L290 TraceCheckUtils]: 79: Hoare triple {11296#true} ~cond := #in~cond; {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 15:01:26,100 INFO L272 TraceCheckUtils]: 78: Hoare triple {11709#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:26,101 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11725#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #95#return; {11709#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-15 15:01:26,102 INFO L290 TraceCheckUtils]: 76: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:26,102 INFO L290 TraceCheckUtils]: 75: Hoare triple {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:26,103 INFO L290 TraceCheckUtils]: 74: Hoare triple {11296#true} ~cond := #in~cond; {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 15:01:26,103 INFO L272 TraceCheckUtils]: 73: Hoare triple {11725#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:26,104 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #93#return; {11725#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-15 15:01:26,104 INFO L290 TraceCheckUtils]: 71: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:26,104 INFO L290 TraceCheckUtils]: 70: Hoare triple {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:26,105 INFO L290 TraceCheckUtils]: 69: Hoare triple {11296#true} ~cond := #in~cond; {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 15:01:26,105 INFO L272 TraceCheckUtils]: 68: Hoare triple {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:26,106 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {11296#true} {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #91#return; {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-15 15:01:26,106 INFO L290 TraceCheckUtils]: 66: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 15:01:26,106 INFO L290 TraceCheckUtils]: 65: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 15:01:26,106 INFO L290 TraceCheckUtils]: 64: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 15:01:26,106 INFO L272 TraceCheckUtils]: 63: Hoare triple {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:26,107 INFO L290 TraceCheckUtils]: 62: Hoare triple {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} assume !false; {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-15 15:01:28,108 WARN L290 TraceCheckUtils]: 61: Hoare triple {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~0 main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is UNKNOWN [2022-04-15 15:01:28,109 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {11296#true} {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} #97#return; {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-15 15:01:28,109 INFO L290 TraceCheckUtils]: 59: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 15:01:28,110 INFO L290 TraceCheckUtils]: 58: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 15:01:28,110 INFO L290 TraceCheckUtils]: 57: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 15:01:28,110 INFO L272 TraceCheckUtils]: 56: Hoare triple {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:28,111 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {11296#true} {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} #95#return; {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-15 15:01:28,111 INFO L290 TraceCheckUtils]: 54: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 15:01:28,111 INFO L290 TraceCheckUtils]: 53: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 15:01:28,111 INFO L290 TraceCheckUtils]: 52: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 15:01:28,111 INFO L272 TraceCheckUtils]: 51: Hoare triple {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:28,112 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {11296#true} {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} #93#return; {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-15 15:01:28,112 INFO L290 TraceCheckUtils]: 49: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 15:01:28,112 INFO L290 TraceCheckUtils]: 48: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 15:01:28,112 INFO L290 TraceCheckUtils]: 47: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 15:01:28,112 INFO L272 TraceCheckUtils]: 46: Hoare triple {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:28,113 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {11296#true} {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} #91#return; {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-15 15:01:28,113 INFO L290 TraceCheckUtils]: 44: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 15:01:28,113 INFO L290 TraceCheckUtils]: 43: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 15:01:28,113 INFO L290 TraceCheckUtils]: 42: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 15:01:28,113 INFO L272 TraceCheckUtils]: 41: Hoare triple {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:28,114 INFO L290 TraceCheckUtils]: 40: Hoare triple {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} assume !false; {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-15 15:01:28,169 INFO L290 TraceCheckUtils]: 39: Hoare triple {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* main_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {11775#(or (<= (* main_~b~0 2) main_~c~0) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-15 15:01:28,169 INFO L290 TraceCheckUtils]: 38: Hoare triple {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* main_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} assume !false; {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* main_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} is VALID [2022-04-15 15:01:28,170 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {11296#true} {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* main_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} #89#return; {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* main_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} is VALID [2022-04-15 15:01:28,170 INFO L290 TraceCheckUtils]: 36: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 15:01:28,170 INFO L290 TraceCheckUtils]: 35: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 15:01:28,171 INFO L290 TraceCheckUtils]: 34: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 15:01:28,171 INFO L272 TraceCheckUtils]: 33: Hoare triple {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* main_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:28,171 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {11296#true} {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* main_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} #87#return; {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* main_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} is VALID [2022-04-15 15:01:28,171 INFO L290 TraceCheckUtils]: 31: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 15:01:28,171 INFO L290 TraceCheckUtils]: 30: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 15:01:28,172 INFO L290 TraceCheckUtils]: 29: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 15:01:28,172 INFO L272 TraceCheckUtils]: 28: Hoare triple {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* main_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:28,173 INFO L290 TraceCheckUtils]: 27: Hoare triple {11296#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* main_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} is VALID [2022-04-15 15:01:28,173 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {11296#true} {11296#true} #85#return; {11296#true} is VALID [2022-04-15 15:01:28,173 INFO L290 TraceCheckUtils]: 25: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 15:01:28,173 INFO L290 TraceCheckUtils]: 24: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 15:01:28,173 INFO L290 TraceCheckUtils]: 23: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 15:01:28,173 INFO L272 TraceCheckUtils]: 22: Hoare triple {11296#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:28,173 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {11296#true} {11296#true} #83#return; {11296#true} is VALID [2022-04-15 15:01:28,173 INFO L290 TraceCheckUtils]: 20: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 15:01:28,173 INFO L290 TraceCheckUtils]: 19: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 15:01:28,174 INFO L290 TraceCheckUtils]: 18: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 15:01:28,174 INFO L272 TraceCheckUtils]: 17: Hoare triple {11296#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:28,174 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {11296#true} {11296#true} #81#return; {11296#true} is VALID [2022-04-15 15:01:28,174 INFO L290 TraceCheckUtils]: 15: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 15:01:28,174 INFO L290 TraceCheckUtils]: 14: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 15:01:28,174 INFO L290 TraceCheckUtils]: 13: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 15:01:28,174 INFO L272 TraceCheckUtils]: 12: Hoare triple {11296#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:28,174 INFO L290 TraceCheckUtils]: 11: Hoare triple {11296#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {11296#true} is VALID [2022-04-15 15:01:28,174 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {11296#true} {11296#true} #79#return; {11296#true} is VALID [2022-04-15 15:01:28,174 INFO L290 TraceCheckUtils]: 9: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 15:01:28,174 INFO L290 TraceCheckUtils]: 8: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-15 15:01:28,174 INFO L290 TraceCheckUtils]: 7: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-15 15:01:28,174 INFO L272 TraceCheckUtils]: 6: Hoare triple {11296#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {11296#true} is VALID [2022-04-15 15:01:28,175 INFO L290 TraceCheckUtils]: 5: Hoare triple {11296#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {11296#true} is VALID [2022-04-15 15:01:28,175 INFO L272 TraceCheckUtils]: 4: Hoare triple {11296#true} call #t~ret6 := main(); {11296#true} is VALID [2022-04-15 15:01:28,175 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11296#true} {11296#true} #103#return; {11296#true} is VALID [2022-04-15 15:01:28,175 INFO L290 TraceCheckUtils]: 2: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-15 15:01:28,175 INFO L290 TraceCheckUtils]: 1: Hoare triple {11296#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {11296#true} is VALID [2022-04-15 15:01:28,175 INFO L272 TraceCheckUtils]: 0: Hoare triple {11296#true} call ULTIMATE.init(); {11296#true} is VALID [2022-04-15 15:01:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 84 proven. 40 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-04-15 15:01:28,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:01:28,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426705100] [2022-04-15 15:01:28,176 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:01:28,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92567321] [2022-04-15 15:01:28,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92567321] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 15:01:28,176 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 15:01:28,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2022-04-15 15:01:28,177 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:01:28,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [89746127] [2022-04-15 15:01:28,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [89746127] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:01:28,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:01:28,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-04-15 15:01:28,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298345052] [2022-04-15 15:01:28,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:01:28,177 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 107 [2022-04-15 15:01:28,178 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:01:28,178 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-15 15:01:28,247 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:01:28,248 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-04-15 15:01:28,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:01:28,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-04-15 15:01:28,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2022-04-15 15:01:28,248 INFO L87 Difference]: Start difference. First operand 155 states and 201 transitions. Second operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-15 15:01:32,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:01:32,638 INFO L93 Difference]: Finished difference Result 162 states and 207 transitions. [2022-04-15 15:01:32,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-15 15:01:32,638 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 107 [2022-04-15 15:01:32,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 15:01:32,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-15 15:01:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 103 transitions. [2022-04-15 15:01:32,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-15 15:01:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 103 transitions. [2022-04-15 15:01:32,643 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 103 transitions. [2022-04-15 15:01:32,792 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:01:32,795 INFO L225 Difference]: With dead ends: 162 [2022-04-15 15:01:32,795 INFO L226 Difference]: Without dead ends: 160 [2022-04-15 15:01:32,795 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 187 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=158, Invalid=654, Unknown=0, NotChecked=0, Total=812 [2022-04-15 15:01:32,796 INFO L913 BasicCegarLoop]: 37 mSDtfsCounter, 40 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-04-15 15:01:32,796 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 170 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-04-15 15:01:32,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-04-15 15:01:33,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2022-04-15 15:01:33,147 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 15:01:33,148 INFO L82 GeneralOperation]: Start isEquivalent. First operand 160 states. Second operand has 159 states, 87 states have (on average 1.1149425287356323) internal successors, (97), 89 states have internal predecessors, (97), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-15 15:01:33,148 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand has 159 states, 87 states have (on average 1.1149425287356323) internal successors, (97), 89 states have internal predecessors, (97), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-15 15:01:33,148 INFO L87 Difference]: Start difference. First operand 160 states. Second operand has 159 states, 87 states have (on average 1.1149425287356323) internal successors, (97), 89 states have internal predecessors, (97), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-15 15:01:33,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:01:33,152 INFO L93 Difference]: Finished difference Result 160 states and 205 transitions. [2022-04-15 15:01:33,153 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 205 transitions. [2022-04-15 15:01:33,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:01:33,153 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:01:33,154 INFO L74 IsIncluded]: Start isIncluded. First operand has 159 states, 87 states have (on average 1.1149425287356323) internal successors, (97), 89 states have internal predecessors, (97), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 160 states. [2022-04-15 15:01:33,154 INFO L87 Difference]: Start difference. First operand has 159 states, 87 states have (on average 1.1149425287356323) internal successors, (97), 89 states have internal predecessors, (97), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 160 states. [2022-04-15 15:01:33,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:01:33,158 INFO L93 Difference]: Finished difference Result 160 states and 205 transitions. [2022-04-15 15:01:33,158 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 205 transitions. [2022-04-15 15:01:33,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:01:33,159 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:01:33,159 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 15:01:33,159 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 15:01:33,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 87 states have (on average 1.1149425287356323) internal successors, (97), 89 states have internal predecessors, (97), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-15 15:01:33,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 204 transitions. [2022-04-15 15:01:33,163 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 204 transitions. Word has length 107 [2022-04-15 15:01:33,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 15:01:33,164 INFO L478 AbstractCegarLoop]: Abstraction has 159 states and 204 transitions. [2022-04-15 15:01:33,164 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-15 15:01:33,164 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 159 states and 204 transitions. [2022-04-15 15:01:33,518 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:01:33,518 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 204 transitions. [2022-04-15 15:01:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-04-15 15:01:33,519 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 15:01:33,519 INFO L499 BasicCegarLoop]: trace histogram [13, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 15:01:33,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-04-15 15:01:33,719 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-04-15 15:01:33,719 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 15:01:33,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 15:01:33,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1185765869, now seen corresponding path program 3 times [2022-04-15 15:01:33,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 15:01:33,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [608592512] [2022-04-15 15:01:33,720 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 15:01:33,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1185765869, now seen corresponding path program 4 times [2022-04-15 15:01:33,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 15:01:33,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431396571] [2022-04-15 15:01:33,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 15:01:33,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 15:01:33,736 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 15:01:33,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1347180541] [2022-04-15 15:01:33,737 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-15 15:01:33,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:01:33,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 15:01:33,738 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 15:01:33,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-04-15 15:01:33,793 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-15 15:01:33,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 15:01:33,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 57 conjunts are in the unsatisfiable core [2022-04-15 15:01:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 15:01:33,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 15:01:38,939 WARN L914 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-15 15:01:40,731 INFO L272 TraceCheckUtils]: 0: Hoare triple {12932#true} call ULTIMATE.init(); {12932#true} is VALID [2022-04-15 15:01:40,732 INFO L290 TraceCheckUtils]: 1: Hoare triple {12932#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {12932#true} is VALID [2022-04-15 15:01:40,732 INFO L290 TraceCheckUtils]: 2: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,732 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12932#true} {12932#true} #103#return; {12932#true} is VALID [2022-04-15 15:01:40,732 INFO L272 TraceCheckUtils]: 4: Hoare triple {12932#true} call #t~ret6 := main(); {12932#true} is VALID [2022-04-15 15:01:40,732 INFO L290 TraceCheckUtils]: 5: Hoare triple {12932#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {12932#true} is VALID [2022-04-15 15:01:40,732 INFO L272 TraceCheckUtils]: 6: Hoare triple {12932#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,732 INFO L290 TraceCheckUtils]: 7: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:01:40,732 INFO L290 TraceCheckUtils]: 8: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:01:40,732 INFO L290 TraceCheckUtils]: 9: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,732 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {12932#true} {12932#true} #79#return; {12932#true} is VALID [2022-04-15 15:01:40,732 INFO L290 TraceCheckUtils]: 11: Hoare triple {12932#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {12932#true} is VALID [2022-04-15 15:01:40,732 INFO L272 TraceCheckUtils]: 12: Hoare triple {12932#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,733 INFO L290 TraceCheckUtils]: 13: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:01:40,733 INFO L290 TraceCheckUtils]: 14: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:01:40,733 INFO L290 TraceCheckUtils]: 15: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,733 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {12932#true} {12932#true} #81#return; {12932#true} is VALID [2022-04-15 15:01:40,733 INFO L272 TraceCheckUtils]: 17: Hoare triple {12932#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,733 INFO L290 TraceCheckUtils]: 18: Hoare triple {12932#true} ~cond := #in~cond; {12991#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-15 15:01:40,734 INFO L290 TraceCheckUtils]: 19: Hoare triple {12991#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {12995#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 15:01:40,734 INFO L290 TraceCheckUtils]: 20: Hoare triple {12995#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {12995#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 15:01:40,734 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {12995#(not (= |assume_abort_if_not_#in~cond| 0))} {12932#true} #83#return; {13002#(<= 1 main_~x~0)} is VALID [2022-04-15 15:01:40,734 INFO L272 TraceCheckUtils]: 22: Hoare triple {13002#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,735 INFO L290 TraceCheckUtils]: 23: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:01:40,735 INFO L290 TraceCheckUtils]: 24: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:01:40,735 INFO L290 TraceCheckUtils]: 25: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,736 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {12932#true} {13002#(<= 1 main_~x~0)} #85#return; {13002#(<= 1 main_~x~0)} is VALID [2022-04-15 15:01:40,737 INFO L290 TraceCheckUtils]: 27: Hoare triple {13002#(<= 1 main_~x~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {13021#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,737 INFO L272 TraceCheckUtils]: 28: Hoare triple {13021#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,737 INFO L290 TraceCheckUtils]: 29: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:01:40,737 INFO L290 TraceCheckUtils]: 30: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:01:40,743 INFO L290 TraceCheckUtils]: 31: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,745 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {12932#true} {13021#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {13021#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,746 INFO L272 TraceCheckUtils]: 33: Hoare triple {13021#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,746 INFO L290 TraceCheckUtils]: 34: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:01:40,746 INFO L290 TraceCheckUtils]: 35: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:01:40,746 INFO L290 TraceCheckUtils]: 36: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,746 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {12932#true} {13021#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {13021#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,747 INFO L290 TraceCheckUtils]: 38: Hoare triple {13021#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {13021#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,747 INFO L290 TraceCheckUtils]: 39: Hoare triple {13021#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,748 INFO L290 TraceCheckUtils]: 40: Hoare triple {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,748 INFO L272 TraceCheckUtils]: 41: Hoare triple {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,748 INFO L290 TraceCheckUtils]: 42: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:01:40,748 INFO L290 TraceCheckUtils]: 43: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:01:40,748 INFO L290 TraceCheckUtils]: 44: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,749 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {12932#true} {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,749 INFO L272 TraceCheckUtils]: 46: Hoare triple {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,749 INFO L290 TraceCheckUtils]: 47: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:01:40,749 INFO L290 TraceCheckUtils]: 48: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:01:40,749 INFO L290 TraceCheckUtils]: 49: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,750 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {12932#true} {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,750 INFO L272 TraceCheckUtils]: 51: Hoare triple {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,750 INFO L290 TraceCheckUtils]: 52: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:01:40,750 INFO L290 TraceCheckUtils]: 53: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:01:40,750 INFO L290 TraceCheckUtils]: 54: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,751 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {12932#true} {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,751 INFO L272 TraceCheckUtils]: 56: Hoare triple {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,751 INFO L290 TraceCheckUtils]: 57: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:01:40,751 INFO L290 TraceCheckUtils]: 58: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:01:40,751 INFO L290 TraceCheckUtils]: 59: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,752 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {12932#true} {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,753 INFO L290 TraceCheckUtils]: 61: Hoare triple {13058#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {13125#(and (= main_~r~0 0) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,753 INFO L290 TraceCheckUtils]: 62: Hoare triple {13125#(and (= main_~r~0 0) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {13125#(and (= main_~r~0 0) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,753 INFO L272 TraceCheckUtils]: 63: Hoare triple {13125#(and (= main_~r~0 0) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,754 INFO L290 TraceCheckUtils]: 64: Hoare triple {12932#true} ~cond := #in~cond; {13135#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:01:40,754 INFO L290 TraceCheckUtils]: 65: Hoare triple {13135#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:40,754 INFO L290 TraceCheckUtils]: 66: Hoare triple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:40,755 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} {13125#(and (= main_~r~0 0) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,755 INFO L272 TraceCheckUtils]: 68: Hoare triple {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,756 INFO L290 TraceCheckUtils]: 69: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:01:40,756 INFO L290 TraceCheckUtils]: 70: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:01:40,756 INFO L290 TraceCheckUtils]: 71: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,756 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {12932#true} {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,756 INFO L272 TraceCheckUtils]: 73: Hoare triple {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,757 INFO L290 TraceCheckUtils]: 74: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:01:40,757 INFO L290 TraceCheckUtils]: 75: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:01:40,757 INFO L290 TraceCheckUtils]: 76: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,757 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {12932#true} {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,757 INFO L272 TraceCheckUtils]: 78: Hoare triple {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,758 INFO L290 TraceCheckUtils]: 79: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:01:40,758 INFO L290 TraceCheckUtils]: 80: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:01:40,758 INFO L290 TraceCheckUtils]: 81: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,758 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {12932#true} {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,759 INFO L290 TraceCheckUtils]: 83: Hoare triple {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {13195#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~0)) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,760 INFO L290 TraceCheckUtils]: 84: Hoare triple {13195#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~0)) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {13195#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~0)) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,760 INFO L272 TraceCheckUtils]: 85: Hoare triple {13195#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~0)) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,760 INFO L290 TraceCheckUtils]: 86: Hoare triple {12932#true} ~cond := #in~cond; {13135#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:01:40,761 INFO L290 TraceCheckUtils]: 87: Hoare triple {13135#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:40,761 INFO L290 TraceCheckUtils]: 88: Hoare triple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:40,762 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} {13195#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~0)) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {13214#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~0)) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,762 INFO L272 TraceCheckUtils]: 90: Hoare triple {13214#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~0)) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,762 INFO L290 TraceCheckUtils]: 91: Hoare triple {12932#true} ~cond := #in~cond; {13135#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:01:40,763 INFO L290 TraceCheckUtils]: 92: Hoare triple {13135#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:40,763 INFO L290 TraceCheckUtils]: 93: Hoare triple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:40,764 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} {13214#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~0)) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {13230#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,764 INFO L272 TraceCheckUtils]: 95: Hoare triple {13230#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,764 INFO L290 TraceCheckUtils]: 96: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:01:40,765 INFO L290 TraceCheckUtils]: 97: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:01:40,765 INFO L290 TraceCheckUtils]: 98: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,765 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {12932#true} {13230#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= main_~q~0 0) (= main_~p~0 1))} #95#return; {13230#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,765 INFO L272 TraceCheckUtils]: 100: Hoare triple {13230#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:01:40,766 INFO L290 TraceCheckUtils]: 101: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:01:40,766 INFO L290 TraceCheckUtils]: 102: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:01:40,766 INFO L290 TraceCheckUtils]: 103: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:01:40,766 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {12932#true} {13230#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= main_~q~0 0) (= main_~p~0 1))} #97#return; {13230#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,767 INFO L290 TraceCheckUtils]: 105: Hoare triple {13230#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= main_~q~0 0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {13264#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= (* main_~y~0 2) (* main_~k~0 main_~y~0)) (= main_~p~0 1))} is VALID [2022-04-15 15:01:40,768 INFO L290 TraceCheckUtils]: 106: Hoare triple {13264#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= (* main_~y~0 2) (* main_~k~0 main_~y~0)) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {13268#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~0))) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~q~0 1))} is VALID [2022-04-15 15:01:40,769 INFO L290 TraceCheckUtils]: 107: Hoare triple {13268#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~0))) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~q~0 1))} assume !false; {13268#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~0))) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~q~0 1))} is VALID [2022-04-15 15:01:40,769 INFO L290 TraceCheckUtils]: 108: Hoare triple {13268#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~0))) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~q~0 1))} assume !(0 != ~b~0); {13275#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) 0) (= (+ (* main_~y~0 2) (* main_~y~0 main_~s~0)) 0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= main_~q~0 1))} is VALID [2022-04-15 15:01:40,770 INFO L272 TraceCheckUtils]: 109: Hoare triple {13275#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) 0) (= (+ (* main_~y~0 2) (* main_~y~0 main_~s~0)) 0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= main_~q~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {13279#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 15:01:40,770 INFO L290 TraceCheckUtils]: 110: Hoare triple {13279#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {13283#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:01:40,771 INFO L290 TraceCheckUtils]: 111: Hoare triple {13283#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {12933#false} is VALID [2022-04-15 15:01:40,771 INFO L290 TraceCheckUtils]: 112: Hoare triple {12933#false} assume !false; {12933#false} is VALID [2022-04-15 15:01:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 81 proven. 59 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-04-15 15:01:40,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:03:35,467 WARN L914 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-15 15:03:35,522 WARN L914 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-15 15:04:09,138 WARN L914 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-15 15:04:30,848 INFO L290 TraceCheckUtils]: 112: Hoare triple {12933#false} assume !false; {12933#false} is VALID [2022-04-15 15:04:30,849 INFO L290 TraceCheckUtils]: 111: Hoare triple {13283#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {12933#false} is VALID [2022-04-15 15:04:30,849 INFO L290 TraceCheckUtils]: 110: Hoare triple {13279#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {13283#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:04:30,850 INFO L272 TraceCheckUtils]: 109: Hoare triple {13299#(= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0)} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {13279#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 15:04:30,850 INFO L290 TraceCheckUtils]: 108: Hoare triple {13303#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !(0 != ~b~0); {13299#(= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0)} is VALID [2022-04-15 15:04:30,851 INFO L290 TraceCheckUtils]: 107: Hoare triple {13303#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !false; {13303#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is VALID [2022-04-15 15:04:31,438 INFO L290 TraceCheckUtils]: 106: Hoare triple {13310#(or (not (= main_~c~0 0)) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {13303#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is VALID [2022-04-15 15:04:31,439 INFO L290 TraceCheckUtils]: 105: Hoare triple {13314#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} assume !(~c~0 >= ~b~0); {13310#(or (not (= main_~c~0 0)) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-15 15:04:31,440 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {12932#true} {13314#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} #97#return; {13314#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-15 15:04:31,440 INFO L290 TraceCheckUtils]: 103: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:31,440 INFO L290 TraceCheckUtils]: 102: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:31,440 INFO L290 TraceCheckUtils]: 101: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:31,440 INFO L272 TraceCheckUtils]: 100: Hoare triple {13314#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:31,441 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {12932#true} {13314#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} #95#return; {13314#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-15 15:04:31,441 INFO L290 TraceCheckUtils]: 98: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:31,441 INFO L290 TraceCheckUtils]: 97: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:31,441 INFO L290 TraceCheckUtils]: 96: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:31,442 INFO L272 TraceCheckUtils]: 95: Hoare triple {13314#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:31,443 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} {13348#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} #93#return; {13314#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-15 15:04:31,443 INFO L290 TraceCheckUtils]: 93: Hoare triple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:04:31,443 INFO L290 TraceCheckUtils]: 92: Hoare triple {13358#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:04:31,443 INFO L290 TraceCheckUtils]: 91: Hoare triple {12932#true} ~cond := #in~cond; {13358#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 15:04:31,444 INFO L272 TraceCheckUtils]: 90: Hoare triple {13348#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:31,445 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} {13365#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} #91#return; {13348#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-15 15:04:31,445 INFO L290 TraceCheckUtils]: 88: Hoare triple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:04:31,445 INFO L290 TraceCheckUtils]: 87: Hoare triple {13358#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:04:31,445 INFO L290 TraceCheckUtils]: 86: Hoare triple {12932#true} ~cond := #in~cond; {13358#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 15:04:31,446 INFO L272 TraceCheckUtils]: 85: Hoare triple {13365#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:31,446 INFO L290 TraceCheckUtils]: 84: Hoare triple {13365#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} assume !false; {13365#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-15 15:04:33,462 WARN L290 TraceCheckUtils]: 83: Hoare triple {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {13365#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is UNKNOWN [2022-04-15 15:04:33,463 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {12932#true} {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #97#return; {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-15 15:04:33,463 INFO L290 TraceCheckUtils]: 81: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:33,463 INFO L290 TraceCheckUtils]: 80: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:33,463 INFO L290 TraceCheckUtils]: 79: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:33,463 INFO L272 TraceCheckUtils]: 78: Hoare triple {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:33,464 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {12932#true} {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #95#return; {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-15 15:04:33,464 INFO L290 TraceCheckUtils]: 76: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:33,464 INFO L290 TraceCheckUtils]: 75: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:33,464 INFO L290 TraceCheckUtils]: 74: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:33,465 INFO L272 TraceCheckUtils]: 73: Hoare triple {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:33,465 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {12932#true} {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #93#return; {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-15 15:04:33,465 INFO L290 TraceCheckUtils]: 71: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:33,465 INFO L290 TraceCheckUtils]: 70: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:33,466 INFO L290 TraceCheckUtils]: 69: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:33,466 INFO L272 TraceCheckUtils]: 68: Hoare triple {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:33,467 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} {13433#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (< main_~c~0 main_~b~0) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* main_~b~0 (div main_~a~0 main_~b~0))))))} #91#return; {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-15 15:04:33,467 INFO L290 TraceCheckUtils]: 66: Hoare triple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:04:33,468 INFO L290 TraceCheckUtils]: 65: Hoare triple {13358#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:04:33,468 INFO L290 TraceCheckUtils]: 64: Hoare triple {12932#true} ~cond := #in~cond; {13358#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 15:04:33,468 INFO L272 TraceCheckUtils]: 63: Hoare triple {13433#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (< main_~c~0 main_~b~0) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* main_~b~0 (div main_~a~0 main_~b~0))))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:33,469 INFO L290 TraceCheckUtils]: 62: Hoare triple {13433#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (< main_~c~0 main_~b~0) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* main_~b~0 (div main_~a~0 main_~b~0))))))} assume !false; {13433#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (< main_~c~0 main_~b~0) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* main_~b~0 (div main_~a~0 main_~b~0))))))} is VALID [2022-04-15 15:04:35,471 WARN L290 TraceCheckUtils]: 61: Hoare triple {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {13433#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (< main_~c~0 main_~b~0) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* main_~b~0 (div main_~a~0 main_~b~0))))))} is UNKNOWN [2022-04-15 15:04:35,473 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {12932#true} {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #97#return; {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-15 15:04:35,473 INFO L290 TraceCheckUtils]: 59: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:35,473 INFO L290 TraceCheckUtils]: 58: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:35,473 INFO L290 TraceCheckUtils]: 57: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:35,473 INFO L272 TraceCheckUtils]: 56: Hoare triple {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:35,474 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {12932#true} {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #95#return; {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-15 15:04:35,474 INFO L290 TraceCheckUtils]: 54: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:35,474 INFO L290 TraceCheckUtils]: 53: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:35,474 INFO L290 TraceCheckUtils]: 52: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:35,474 INFO L272 TraceCheckUtils]: 51: Hoare triple {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:35,475 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {12932#true} {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #93#return; {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-15 15:04:35,475 INFO L290 TraceCheckUtils]: 49: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:35,475 INFO L290 TraceCheckUtils]: 48: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:35,475 INFO L290 TraceCheckUtils]: 47: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:35,475 INFO L272 TraceCheckUtils]: 46: Hoare triple {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:35,476 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {12932#true} {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #91#return; {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-15 15:04:35,476 INFO L290 TraceCheckUtils]: 44: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:35,476 INFO L290 TraceCheckUtils]: 43: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:35,476 INFO L290 TraceCheckUtils]: 42: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:35,476 INFO L272 TraceCheckUtils]: 41: Hoare triple {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:35,477 INFO L290 TraceCheckUtils]: 40: Hoare triple {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} assume !false; {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-15 15:04:35,478 INFO L290 TraceCheckUtils]: 39: Hoare triple {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-15 15:04:35,478 INFO L290 TraceCheckUtils]: 38: Hoare triple {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} assume !false; {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-15 15:04:35,479 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {12932#true} {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #89#return; {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-15 15:04:35,479 INFO L290 TraceCheckUtils]: 36: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:35,479 INFO L290 TraceCheckUtils]: 35: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:35,479 INFO L290 TraceCheckUtils]: 34: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:35,479 INFO L272 TraceCheckUtils]: 33: Hoare triple {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:35,480 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {12932#true} {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #87#return; {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-15 15:04:35,480 INFO L290 TraceCheckUtils]: 31: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:35,480 INFO L290 TraceCheckUtils]: 30: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:35,480 INFO L290 TraceCheckUtils]: 29: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:35,480 INFO L272 TraceCheckUtils]: 28: Hoare triple {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:35,482 INFO L290 TraceCheckUtils]: 27: Hoare triple {12932#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-15 15:04:35,482 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {12932#true} {12932#true} #85#return; {12932#true} is VALID [2022-04-15 15:04:35,482 INFO L290 TraceCheckUtils]: 25: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:35,482 INFO L290 TraceCheckUtils]: 24: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:35,482 INFO L290 TraceCheckUtils]: 23: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:35,482 INFO L272 TraceCheckUtils]: 22: Hoare triple {12932#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:35,482 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {12932#true} {12932#true} #83#return; {12932#true} is VALID [2022-04-15 15:04:35,482 INFO L290 TraceCheckUtils]: 20: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:35,482 INFO L290 TraceCheckUtils]: 19: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:35,482 INFO L290 TraceCheckUtils]: 18: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:35,482 INFO L272 TraceCheckUtils]: 17: Hoare triple {12932#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:35,482 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {12932#true} {12932#true} #81#return; {12932#true} is VALID [2022-04-15 15:04:35,482 INFO L290 TraceCheckUtils]: 15: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:35,483 INFO L290 TraceCheckUtils]: 14: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:35,483 INFO L290 TraceCheckUtils]: 13: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:35,483 INFO L272 TraceCheckUtils]: 12: Hoare triple {12932#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:35,483 INFO L290 TraceCheckUtils]: 11: Hoare triple {12932#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {12932#true} is VALID [2022-04-15 15:04:35,483 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {12932#true} {12932#true} #79#return; {12932#true} is VALID [2022-04-15 15:04:35,483 INFO L290 TraceCheckUtils]: 9: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:35,483 INFO L290 TraceCheckUtils]: 8: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-15 15:04:35,483 INFO L290 TraceCheckUtils]: 7: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-15 15:04:35,486 INFO L272 TraceCheckUtils]: 6: Hoare triple {12932#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {12932#true} is VALID [2022-04-15 15:04:35,486 INFO L290 TraceCheckUtils]: 5: Hoare triple {12932#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {12932#true} is VALID [2022-04-15 15:04:35,486 INFO L272 TraceCheckUtils]: 4: Hoare triple {12932#true} call #t~ret6 := main(); {12932#true} is VALID [2022-04-15 15:04:35,486 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12932#true} {12932#true} #103#return; {12932#true} is VALID [2022-04-15 15:04:35,486 INFO L290 TraceCheckUtils]: 2: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-15 15:04:35,486 INFO L290 TraceCheckUtils]: 1: Hoare triple {12932#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {12932#true} is VALID [2022-04-15 15:04:35,486 INFO L272 TraceCheckUtils]: 0: Hoare triple {12932#true} call ULTIMATE.init(); {12932#true} is VALID [2022-04-15 15:04:35,487 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 75 proven. 50 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-04-15 15:04:35,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:04:35,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431396571] [2022-04-15 15:04:35,487 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:04:35,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347180541] [2022-04-15 15:04:35,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347180541] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 15:04:35,488 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 15:04:35,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16] total 30 [2022-04-15 15:04:35,488 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:04:35,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [608592512] [2022-04-15 15:04:35,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [608592512] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:04:35,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:04:35,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-04-15 15:04:35,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557395749] [2022-04-15 15:04:35,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:04:35,489 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 14 states have internal predecessors, (31), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) Word has length 113 [2022-04-15 15:04:35,489 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:04:35,490 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 19 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 14 states have internal predecessors, (31), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2022-04-15 15:04:35,568 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:04:35,568 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-04-15 15:04:35,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:04:35,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-04-15 15:04:35,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=714, Unknown=2, NotChecked=0, Total=870 [2022-04-15 15:04:35,569 INFO L87 Difference]: Start difference. First operand 159 states and 204 transitions. Second operand has 19 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 14 states have internal predecessors, (31), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2022-04-15 15:04:44,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:04:44,635 INFO L93 Difference]: Finished difference Result 192 states and 250 transitions. [2022-04-15 15:04:44,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-04-15 15:04:44,635 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 14 states have internal predecessors, (31), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) Word has length 113 [2022-04-15 15:04:44,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 15:04:44,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 14 states have internal predecessors, (31), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2022-04-15 15:04:44,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 117 transitions. [2022-04-15 15:04:44,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 14 states have internal predecessors, (31), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2022-04-15 15:04:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 117 transitions. [2022-04-15 15:04:44,639 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 16 states and 117 transitions. [2022-04-15 15:04:44,771 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:04:44,775 INFO L225 Difference]: With dead ends: 192 [2022-04-15 15:04:44,775 INFO L226 Difference]: Without dead ends: 189 [2022-04-15 15:04:44,775 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 196 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=202, Invalid=986, Unknown=2, NotChecked=0, Total=1190 [2022-04-15 15:04:44,776 INFO L913 BasicCegarLoop]: 43 mSDtfsCounter, 45 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-04-15 15:04:44,776 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 227 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-04-15 15:04:44,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-04-15 15:04:45,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 188. [2022-04-15 15:04:45,227 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 15:04:45,228 INFO L82 GeneralOperation]: Start isEquivalent. First operand 189 states. Second operand has 188 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 104 states have internal predecessors, (114), 67 states have call successors, (67), 19 states have call predecessors, (67), 18 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-04-15 15:04:45,228 INFO L74 IsIncluded]: Start isIncluded. First operand 189 states. Second operand has 188 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 104 states have internal predecessors, (114), 67 states have call successors, (67), 19 states have call predecessors, (67), 18 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-04-15 15:04:45,228 INFO L87 Difference]: Start difference. First operand 189 states. Second operand has 188 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 104 states have internal predecessors, (114), 67 states have call successors, (67), 19 states have call predecessors, (67), 18 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-04-15 15:04:45,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:04:45,233 INFO L93 Difference]: Finished difference Result 189 states and 246 transitions. [2022-04-15 15:04:45,233 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 246 transitions. [2022-04-15 15:04:45,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:04:45,234 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:04:45,234 INFO L74 IsIncluded]: Start isIncluded. First operand has 188 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 104 states have internal predecessors, (114), 67 states have call successors, (67), 19 states have call predecessors, (67), 18 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) Second operand 189 states. [2022-04-15 15:04:45,235 INFO L87 Difference]: Start difference. First operand has 188 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 104 states have internal predecessors, (114), 67 states have call successors, (67), 19 states have call predecessors, (67), 18 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) Second operand 189 states. [2022-04-15 15:04:45,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:04:45,240 INFO L93 Difference]: Finished difference Result 189 states and 246 transitions. [2022-04-15 15:04:45,240 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 246 transitions. [2022-04-15 15:04:45,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:04:45,241 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:04:45,241 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 15:04:45,241 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 15:04:45,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 104 states have internal predecessors, (114), 67 states have call successors, (67), 19 states have call predecessors, (67), 18 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-04-15 15:04:45,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2022-04-15 15:04:45,247 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 113 [2022-04-15 15:04:45,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 15:04:45,247 INFO L478 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2022-04-15 15:04:45,247 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 14 states have internal predecessors, (31), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2022-04-15 15:04:45,248 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 188 states and 245 transitions. [2022-04-15 15:04:45,808 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 245 edges. 245 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:04:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2022-04-15 15:04:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-04-15 15:04:45,810 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 15:04:45,810 INFO L499 BasicCegarLoop]: trace histogram [13, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 15:04:45,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-04-15 15:04:46,019 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:04:46,019 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 15:04:46,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 15:04:46,020 INFO L85 PathProgramCache]: Analyzing trace with hash 884638574, now seen corresponding path program 5 times [2022-04-15 15:04:46,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 15:04:46,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1526751056] [2022-04-15 15:04:46,020 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 15:04:46,020 INFO L85 PathProgramCache]: Analyzing trace with hash 884638574, now seen corresponding path program 6 times [2022-04-15 15:04:46,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 15:04:46,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840409493] [2022-04-15 15:04:46,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 15:04:46,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 15:04:46,031 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 15:04:46,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [481181879] [2022-04-15 15:04:46,031 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-15 15:04:46,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:04:46,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 15:04:46,032 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 15:04:46,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-04-15 15:04:46,103 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-15 15:04:46,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 15:04:46,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-15 15:04:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 15:04:46,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 15:04:46,434 INFO L272 TraceCheckUtils]: 0: Hoare triple {14787#true} call ULTIMATE.init(); {14787#true} is VALID [2022-04-15 15:04:46,434 INFO L290 TraceCheckUtils]: 1: Hoare triple {14787#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {14787#true} is VALID [2022-04-15 15:04:46,434 INFO L290 TraceCheckUtils]: 2: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,435 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14787#true} {14787#true} #103#return; {14787#true} is VALID [2022-04-15 15:04:46,435 INFO L272 TraceCheckUtils]: 4: Hoare triple {14787#true} call #t~ret6 := main(); {14787#true} is VALID [2022-04-15 15:04:46,435 INFO L290 TraceCheckUtils]: 5: Hoare triple {14787#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {14787#true} is VALID [2022-04-15 15:04:46,435 INFO L272 TraceCheckUtils]: 6: Hoare triple {14787#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,435 INFO L290 TraceCheckUtils]: 7: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,435 INFO L290 TraceCheckUtils]: 8: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,435 INFO L290 TraceCheckUtils]: 9: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,435 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {14787#true} {14787#true} #79#return; {14787#true} is VALID [2022-04-15 15:04:46,435 INFO L290 TraceCheckUtils]: 11: Hoare triple {14787#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {14787#true} is VALID [2022-04-15 15:04:46,435 INFO L272 TraceCheckUtils]: 12: Hoare triple {14787#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,435 INFO L290 TraceCheckUtils]: 13: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,436 INFO L290 TraceCheckUtils]: 14: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,436 INFO L290 TraceCheckUtils]: 15: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,436 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {14787#true} {14787#true} #81#return; {14787#true} is VALID [2022-04-15 15:04:46,436 INFO L272 TraceCheckUtils]: 17: Hoare triple {14787#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,436 INFO L290 TraceCheckUtils]: 18: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,436 INFO L290 TraceCheckUtils]: 19: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,436 INFO L290 TraceCheckUtils]: 20: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,436 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {14787#true} {14787#true} #83#return; {14787#true} is VALID [2022-04-15 15:04:46,436 INFO L272 TraceCheckUtils]: 22: Hoare triple {14787#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,436 INFO L290 TraceCheckUtils]: 23: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,436 INFO L290 TraceCheckUtils]: 24: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,436 INFO L290 TraceCheckUtils]: 25: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,436 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {14787#true} {14787#true} #85#return; {14787#true} is VALID [2022-04-15 15:04:46,437 INFO L290 TraceCheckUtils]: 27: Hoare triple {14787#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {14787#true} is VALID [2022-04-15 15:04:46,437 INFO L272 TraceCheckUtils]: 28: Hoare triple {14787#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,437 INFO L290 TraceCheckUtils]: 29: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,437 INFO L290 TraceCheckUtils]: 30: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,437 INFO L290 TraceCheckUtils]: 31: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,437 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {14787#true} {14787#true} #87#return; {14787#true} is VALID [2022-04-15 15:04:46,437 INFO L272 TraceCheckUtils]: 33: Hoare triple {14787#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,437 INFO L290 TraceCheckUtils]: 34: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,438 INFO L290 TraceCheckUtils]: 35: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,438 INFO L290 TraceCheckUtils]: 36: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,438 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {14787#true} {14787#true} #89#return; {14787#true} is VALID [2022-04-15 15:04:46,438 INFO L290 TraceCheckUtils]: 38: Hoare triple {14787#true} assume !false; {14787#true} is VALID [2022-04-15 15:04:46,438 INFO L290 TraceCheckUtils]: 39: Hoare triple {14787#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14787#true} is VALID [2022-04-15 15:04:46,438 INFO L290 TraceCheckUtils]: 40: Hoare triple {14787#true} assume !false; {14787#true} is VALID [2022-04-15 15:04:46,438 INFO L272 TraceCheckUtils]: 41: Hoare triple {14787#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,438 INFO L290 TraceCheckUtils]: 42: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,438 INFO L290 TraceCheckUtils]: 43: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,438 INFO L290 TraceCheckUtils]: 44: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,439 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {14787#true} {14787#true} #91#return; {14787#true} is VALID [2022-04-15 15:04:46,439 INFO L272 TraceCheckUtils]: 46: Hoare triple {14787#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,439 INFO L290 TraceCheckUtils]: 47: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,439 INFO L290 TraceCheckUtils]: 48: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,439 INFO L290 TraceCheckUtils]: 49: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,439 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {14787#true} {14787#true} #93#return; {14787#true} is VALID [2022-04-15 15:04:46,439 INFO L272 TraceCheckUtils]: 51: Hoare triple {14787#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,439 INFO L290 TraceCheckUtils]: 52: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,439 INFO L290 TraceCheckUtils]: 53: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,440 INFO L290 TraceCheckUtils]: 54: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,440 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {14787#true} {14787#true} #95#return; {14787#true} is VALID [2022-04-15 15:04:46,440 INFO L272 TraceCheckUtils]: 56: Hoare triple {14787#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,440 INFO L290 TraceCheckUtils]: 57: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,440 INFO L290 TraceCheckUtils]: 58: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,440 INFO L290 TraceCheckUtils]: 59: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,440 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {14787#true} {14787#true} #97#return; {14787#true} is VALID [2022-04-15 15:04:46,443 INFO L290 TraceCheckUtils]: 61: Hoare triple {14787#true} assume !(~c~0 >= ~b~0); {14975#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:04:46,444 INFO L290 TraceCheckUtils]: 62: Hoare triple {14975#(not (<= main_~b~0 main_~c~0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {14979#(< main_~b~0 main_~a~0)} is VALID [2022-04-15 15:04:46,444 INFO L290 TraceCheckUtils]: 63: Hoare triple {14979#(< main_~b~0 main_~a~0)} assume !false; {14979#(< main_~b~0 main_~a~0)} is VALID [2022-04-15 15:04:46,444 INFO L290 TraceCheckUtils]: 64: Hoare triple {14979#(< main_~b~0 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 15:04:46,445 INFO L290 TraceCheckUtils]: 65: Hoare triple {14986#(< main_~b~0 main_~c~0)} assume !false; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 15:04:46,445 INFO L272 TraceCheckUtils]: 66: Hoare triple {14986#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,445 INFO L290 TraceCheckUtils]: 67: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,445 INFO L290 TraceCheckUtils]: 68: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,445 INFO L290 TraceCheckUtils]: 69: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,446 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #91#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 15:04:46,446 INFO L272 TraceCheckUtils]: 71: Hoare triple {14986#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,446 INFO L290 TraceCheckUtils]: 72: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,446 INFO L290 TraceCheckUtils]: 73: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,446 INFO L290 TraceCheckUtils]: 74: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,447 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #93#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 15:04:46,447 INFO L272 TraceCheckUtils]: 76: Hoare triple {14986#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,447 INFO L290 TraceCheckUtils]: 77: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,447 INFO L290 TraceCheckUtils]: 78: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,447 INFO L290 TraceCheckUtils]: 79: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,448 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #95#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 15:04:46,448 INFO L272 TraceCheckUtils]: 81: Hoare triple {14986#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,448 INFO L290 TraceCheckUtils]: 82: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,448 INFO L290 TraceCheckUtils]: 83: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,448 INFO L290 TraceCheckUtils]: 84: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,449 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #97#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 15:04:46,450 INFO L290 TraceCheckUtils]: 86: Hoare triple {14986#(< main_~b~0 main_~c~0)} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {15053#(< 0 main_~c~0)} is VALID [2022-04-15 15:04:46,450 INFO L290 TraceCheckUtils]: 87: Hoare triple {15053#(< 0 main_~c~0)} assume !false; {15053#(< 0 main_~c~0)} is VALID [2022-04-15 15:04:46,450 INFO L272 TraceCheckUtils]: 88: Hoare triple {15053#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,451 INFO L290 TraceCheckUtils]: 89: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,451 INFO L290 TraceCheckUtils]: 90: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,451 INFO L290 TraceCheckUtils]: 91: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,451 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #91#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-15 15:04:46,451 INFO L272 TraceCheckUtils]: 93: Hoare triple {15053#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,451 INFO L290 TraceCheckUtils]: 94: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,452 INFO L290 TraceCheckUtils]: 95: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,452 INFO L290 TraceCheckUtils]: 96: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,452 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #93#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-15 15:04:46,452 INFO L272 TraceCheckUtils]: 98: Hoare triple {15053#(< 0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,452 INFO L290 TraceCheckUtils]: 99: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,453 INFO L290 TraceCheckUtils]: 100: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,453 INFO L290 TraceCheckUtils]: 101: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,453 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #95#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-15 15:04:46,453 INFO L272 TraceCheckUtils]: 103: Hoare triple {15053#(< 0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,454 INFO L290 TraceCheckUtils]: 104: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,454 INFO L290 TraceCheckUtils]: 105: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,454 INFO L290 TraceCheckUtils]: 106: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,454 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #97#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-15 15:04:46,455 INFO L290 TraceCheckUtils]: 108: Hoare triple {15053#(< 0 main_~c~0)} assume !(~c~0 >= ~b~0); {15053#(< 0 main_~c~0)} is VALID [2022-04-15 15:04:46,455 INFO L290 TraceCheckUtils]: 109: Hoare triple {15053#(< 0 main_~c~0)} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {15123#(< 0 main_~b~0)} is VALID [2022-04-15 15:04:46,455 INFO L290 TraceCheckUtils]: 110: Hoare triple {15123#(< 0 main_~b~0)} assume !false; {15123#(< 0 main_~b~0)} is VALID [2022-04-15 15:04:46,456 INFO L290 TraceCheckUtils]: 111: Hoare triple {15123#(< 0 main_~b~0)} assume !(0 != ~b~0); {14788#false} is VALID [2022-04-15 15:04:46,456 INFO L272 TraceCheckUtils]: 112: Hoare triple {14788#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {14788#false} is VALID [2022-04-15 15:04:46,456 INFO L290 TraceCheckUtils]: 113: Hoare triple {14788#false} ~cond := #in~cond; {14788#false} is VALID [2022-04-15 15:04:46,456 INFO L290 TraceCheckUtils]: 114: Hoare triple {14788#false} assume 0 == ~cond; {14788#false} is VALID [2022-04-15 15:04:46,456 INFO L290 TraceCheckUtils]: 115: Hoare triple {14788#false} assume !false; {14788#false} is VALID [2022-04-15 15:04:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-04-15 15:04:46,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:04:46,791 INFO L290 TraceCheckUtils]: 115: Hoare triple {14788#false} assume !false; {14788#false} is VALID [2022-04-15 15:04:46,791 INFO L290 TraceCheckUtils]: 114: Hoare triple {14788#false} assume 0 == ~cond; {14788#false} is VALID [2022-04-15 15:04:46,791 INFO L290 TraceCheckUtils]: 113: Hoare triple {14788#false} ~cond := #in~cond; {14788#false} is VALID [2022-04-15 15:04:46,791 INFO L272 TraceCheckUtils]: 112: Hoare triple {14788#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {14788#false} is VALID [2022-04-15 15:04:46,795 INFO L290 TraceCheckUtils]: 111: Hoare triple {15123#(< 0 main_~b~0)} assume !(0 != ~b~0); {14788#false} is VALID [2022-04-15 15:04:46,795 INFO L290 TraceCheckUtils]: 110: Hoare triple {15123#(< 0 main_~b~0)} assume !false; {15123#(< 0 main_~b~0)} is VALID [2022-04-15 15:04:46,796 INFO L290 TraceCheckUtils]: 109: Hoare triple {15053#(< 0 main_~c~0)} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {15123#(< 0 main_~b~0)} is VALID [2022-04-15 15:04:46,796 INFO L290 TraceCheckUtils]: 108: Hoare triple {15053#(< 0 main_~c~0)} assume !(~c~0 >= ~b~0); {15053#(< 0 main_~c~0)} is VALID [2022-04-15 15:04:46,797 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #97#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-15 15:04:46,797 INFO L290 TraceCheckUtils]: 106: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,798 INFO L290 TraceCheckUtils]: 105: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,798 INFO L290 TraceCheckUtils]: 104: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,798 INFO L272 TraceCheckUtils]: 103: Hoare triple {15053#(< 0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,798 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #95#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-15 15:04:46,799 INFO L290 TraceCheckUtils]: 101: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,799 INFO L290 TraceCheckUtils]: 100: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,799 INFO L290 TraceCheckUtils]: 99: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,799 INFO L272 TraceCheckUtils]: 98: Hoare triple {15053#(< 0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,800 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #93#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-15 15:04:46,800 INFO L290 TraceCheckUtils]: 96: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,800 INFO L290 TraceCheckUtils]: 95: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,800 INFO L290 TraceCheckUtils]: 94: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,800 INFO L272 TraceCheckUtils]: 93: Hoare triple {15053#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,801 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #91#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-15 15:04:46,801 INFO L290 TraceCheckUtils]: 91: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,801 INFO L290 TraceCheckUtils]: 90: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,801 INFO L290 TraceCheckUtils]: 89: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,801 INFO L272 TraceCheckUtils]: 88: Hoare triple {15053#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,802 INFO L290 TraceCheckUtils]: 87: Hoare triple {15053#(< 0 main_~c~0)} assume !false; {15053#(< 0 main_~c~0)} is VALID [2022-04-15 15:04:46,803 INFO L290 TraceCheckUtils]: 86: Hoare triple {14986#(< main_~b~0 main_~c~0)} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {15053#(< 0 main_~c~0)} is VALID [2022-04-15 15:04:46,804 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #97#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 15:04:46,804 INFO L290 TraceCheckUtils]: 84: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,804 INFO L290 TraceCheckUtils]: 83: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,804 INFO L290 TraceCheckUtils]: 82: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,804 INFO L272 TraceCheckUtils]: 81: Hoare triple {14986#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,805 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #95#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 15:04:46,805 INFO L290 TraceCheckUtils]: 79: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,805 INFO L290 TraceCheckUtils]: 78: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,805 INFO L290 TraceCheckUtils]: 77: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,805 INFO L272 TraceCheckUtils]: 76: Hoare triple {14986#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,806 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #93#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 15:04:46,806 INFO L290 TraceCheckUtils]: 74: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,806 INFO L290 TraceCheckUtils]: 73: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,806 INFO L290 TraceCheckUtils]: 72: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,806 INFO L272 TraceCheckUtils]: 71: Hoare triple {14986#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,807 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #91#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 15:04:46,807 INFO L290 TraceCheckUtils]: 69: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,807 INFO L290 TraceCheckUtils]: 68: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,807 INFO L290 TraceCheckUtils]: 67: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,807 INFO L272 TraceCheckUtils]: 66: Hoare triple {14986#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,807 INFO L290 TraceCheckUtils]: 65: Hoare triple {14986#(< main_~b~0 main_~c~0)} assume !false; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 15:04:46,808 INFO L290 TraceCheckUtils]: 64: Hoare triple {14979#(< main_~b~0 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 15:04:46,808 INFO L290 TraceCheckUtils]: 63: Hoare triple {14979#(< main_~b~0 main_~a~0)} assume !false; {14979#(< main_~b~0 main_~a~0)} is VALID [2022-04-15 15:04:46,808 INFO L290 TraceCheckUtils]: 62: Hoare triple {14975#(not (<= main_~b~0 main_~c~0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {14979#(< main_~b~0 main_~a~0)} is VALID [2022-04-15 15:04:46,809 INFO L290 TraceCheckUtils]: 61: Hoare triple {14787#true} assume !(~c~0 >= ~b~0); {14975#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:04:46,809 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {14787#true} {14787#true} #97#return; {14787#true} is VALID [2022-04-15 15:04:46,809 INFO L290 TraceCheckUtils]: 59: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,809 INFO L290 TraceCheckUtils]: 58: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,809 INFO L290 TraceCheckUtils]: 57: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,809 INFO L272 TraceCheckUtils]: 56: Hoare triple {14787#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,809 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {14787#true} {14787#true} #95#return; {14787#true} is VALID [2022-04-15 15:04:46,809 INFO L290 TraceCheckUtils]: 54: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,809 INFO L290 TraceCheckUtils]: 53: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,809 INFO L290 TraceCheckUtils]: 52: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,809 INFO L272 TraceCheckUtils]: 51: Hoare triple {14787#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,809 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {14787#true} {14787#true} #93#return; {14787#true} is VALID [2022-04-15 15:04:46,809 INFO L290 TraceCheckUtils]: 49: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,810 INFO L290 TraceCheckUtils]: 48: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,810 INFO L290 TraceCheckUtils]: 47: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,810 INFO L272 TraceCheckUtils]: 46: Hoare triple {14787#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,810 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {14787#true} {14787#true} #91#return; {14787#true} is VALID [2022-04-15 15:04:46,810 INFO L290 TraceCheckUtils]: 44: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,810 INFO L290 TraceCheckUtils]: 43: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,810 INFO L290 TraceCheckUtils]: 42: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,810 INFO L272 TraceCheckUtils]: 41: Hoare triple {14787#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,810 INFO L290 TraceCheckUtils]: 40: Hoare triple {14787#true} assume !false; {14787#true} is VALID [2022-04-15 15:04:46,810 INFO L290 TraceCheckUtils]: 39: Hoare triple {14787#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14787#true} is VALID [2022-04-15 15:04:46,810 INFO L290 TraceCheckUtils]: 38: Hoare triple {14787#true} assume !false; {14787#true} is VALID [2022-04-15 15:04:46,810 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {14787#true} {14787#true} #89#return; {14787#true} is VALID [2022-04-15 15:04:46,810 INFO L290 TraceCheckUtils]: 36: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,811 INFO L290 TraceCheckUtils]: 35: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,811 INFO L290 TraceCheckUtils]: 34: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,811 INFO L272 TraceCheckUtils]: 33: Hoare triple {14787#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,811 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {14787#true} {14787#true} #87#return; {14787#true} is VALID [2022-04-15 15:04:46,811 INFO L290 TraceCheckUtils]: 31: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,811 INFO L290 TraceCheckUtils]: 30: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,811 INFO L290 TraceCheckUtils]: 29: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,811 INFO L272 TraceCheckUtils]: 28: Hoare triple {14787#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,811 INFO L290 TraceCheckUtils]: 27: Hoare triple {14787#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {14787#true} is VALID [2022-04-15 15:04:46,811 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {14787#true} {14787#true} #85#return; {14787#true} is VALID [2022-04-15 15:04:46,811 INFO L290 TraceCheckUtils]: 25: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,811 INFO L290 TraceCheckUtils]: 24: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,811 INFO L290 TraceCheckUtils]: 23: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,811 INFO L272 TraceCheckUtils]: 22: Hoare triple {14787#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,812 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {14787#true} {14787#true} #83#return; {14787#true} is VALID [2022-04-15 15:04:46,812 INFO L290 TraceCheckUtils]: 20: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,812 INFO L290 TraceCheckUtils]: 19: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,812 INFO L290 TraceCheckUtils]: 18: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,812 INFO L272 TraceCheckUtils]: 17: Hoare triple {14787#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,812 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {14787#true} {14787#true} #81#return; {14787#true} is VALID [2022-04-15 15:04:46,812 INFO L290 TraceCheckUtils]: 15: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,812 INFO L290 TraceCheckUtils]: 14: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,812 INFO L290 TraceCheckUtils]: 13: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,812 INFO L272 TraceCheckUtils]: 12: Hoare triple {14787#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,812 INFO L290 TraceCheckUtils]: 11: Hoare triple {14787#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {14787#true} is VALID [2022-04-15 15:04:46,812 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {14787#true} {14787#true} #79#return; {14787#true} is VALID [2022-04-15 15:04:46,812 INFO L290 TraceCheckUtils]: 9: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,812 INFO L290 TraceCheckUtils]: 8: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-15 15:04:46,813 INFO L290 TraceCheckUtils]: 7: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-15 15:04:46,813 INFO L272 TraceCheckUtils]: 6: Hoare triple {14787#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {14787#true} is VALID [2022-04-15 15:04:46,813 INFO L290 TraceCheckUtils]: 5: Hoare triple {14787#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {14787#true} is VALID [2022-04-15 15:04:46,813 INFO L272 TraceCheckUtils]: 4: Hoare triple {14787#true} call #t~ret6 := main(); {14787#true} is VALID [2022-04-15 15:04:46,813 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14787#true} {14787#true} #103#return; {14787#true} is VALID [2022-04-15 15:04:46,813 INFO L290 TraceCheckUtils]: 2: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-15 15:04:46,813 INFO L290 TraceCheckUtils]: 1: Hoare triple {14787#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {14787#true} is VALID [2022-04-15 15:04:46,813 INFO L272 TraceCheckUtils]: 0: Hoare triple {14787#true} call ULTIMATE.init(); {14787#true} is VALID [2022-04-15 15:04:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-04-15 15:04:46,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:04:46,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840409493] [2022-04-15 15:04:46,814 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:04:46,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481181879] [2022-04-15 15:04:46,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481181879] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 15:04:46,814 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 15:04:46,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2022-04-15 15:04:46,814 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:04:46,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1526751056] [2022-04-15 15:04:46,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1526751056] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:04:46,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:04:46,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-15 15:04:46,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108202407] [2022-04-15 15:04:46,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:04:46,815 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 116 [2022-04-15 15:04:46,815 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:04:46,815 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-04-15 15:04:46,874 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:04:46,874 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-15 15:04:46,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:04:46,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-15 15:04:46,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-15 15:04:46,875 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-04-15 15:04:48,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:04:48,588 INFO L93 Difference]: Finished difference Result 248 states and 345 transitions. [2022-04-15 15:04:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-15 15:04:48,588 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 116 [2022-04-15 15:04:48,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 15:04:48,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-04-15 15:04:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 126 transitions. [2022-04-15 15:04:48,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-04-15 15:04:48,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 126 transitions. [2022-04-15 15:04:48,593 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 126 transitions. [2022-04-15 15:04:48,740 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:04:48,746 INFO L225 Difference]: With dead ends: 248 [2022-04-15 15:04:48,746 INFO L226 Difference]: Without dead ends: 240 [2022-04-15 15:04:48,747 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 227 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2022-04-15 15:04:48,747 INFO L913 BasicCegarLoop]: 85 mSDtfsCounter, 14 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-15 15:04:48,748 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 280 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-15 15:04:48,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2022-04-15 15:04:49,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 221. [2022-04-15 15:04:49,314 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 15:04:49,314 INFO L82 GeneralOperation]: Start isEquivalent. First operand 240 states. Second operand has 221 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 117 states have internal predecessors, (132), 87 states have call successors, (87), 19 states have call predecessors, (87), 18 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-04-15 15:04:49,315 INFO L74 IsIncluded]: Start isIncluded. First operand 240 states. Second operand has 221 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 117 states have internal predecessors, (132), 87 states have call successors, (87), 19 states have call predecessors, (87), 18 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-04-15 15:04:49,315 INFO L87 Difference]: Start difference. First operand 240 states. Second operand has 221 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 117 states have internal predecessors, (132), 87 states have call successors, (87), 19 states have call predecessors, (87), 18 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-04-15 15:04:49,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:04:49,323 INFO L93 Difference]: Finished difference Result 240 states and 336 transitions. [2022-04-15 15:04:49,323 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 336 transitions. [2022-04-15 15:04:49,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:04:49,324 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:04:49,324 INFO L74 IsIncluded]: Start isIncluded. First operand has 221 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 117 states have internal predecessors, (132), 87 states have call successors, (87), 19 states have call predecessors, (87), 18 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) Second operand 240 states. [2022-04-15 15:04:49,325 INFO L87 Difference]: Start difference. First operand has 221 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 117 states have internal predecessors, (132), 87 states have call successors, (87), 19 states have call predecessors, (87), 18 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) Second operand 240 states. [2022-04-15 15:04:49,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:04:49,332 INFO L93 Difference]: Finished difference Result 240 states and 336 transitions. [2022-04-15 15:04:49,332 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 336 transitions. [2022-04-15 15:04:49,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:04:49,333 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:04:49,334 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 15:04:49,334 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 15:04:49,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 117 states have internal predecessors, (132), 87 states have call successors, (87), 19 states have call predecessors, (87), 18 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-04-15 15:04:49,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 303 transitions. [2022-04-15 15:04:49,341 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 303 transitions. Word has length 116 [2022-04-15 15:04:49,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 15:04:49,341 INFO L478 AbstractCegarLoop]: Abstraction has 221 states and 303 transitions. [2022-04-15 15:04:49,341 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-04-15 15:04:49,341 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 221 states and 303 transitions. [2022-04-15 15:04:49,958 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 303 edges. 303 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:04:49,959 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 303 transitions. [2022-04-15 15:04:49,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-04-15 15:04:49,959 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 15:04:49,959 INFO L499 BasicCegarLoop]: trace histogram [14, 13, 13, 6, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 15:04:49,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-04-15 15:04:50,160 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-04-15 15:04:50,160 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 15:04:50,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 15:04:50,160 INFO L85 PathProgramCache]: Analyzing trace with hash -743412771, now seen corresponding path program 3 times [2022-04-15 15:04:50,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 15:04:50,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [51691698] [2022-04-15 15:04:50,161 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 15:04:50,161 INFO L85 PathProgramCache]: Analyzing trace with hash -743412771, now seen corresponding path program 4 times [2022-04-15 15:04:50,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 15:04:50,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898512341] [2022-04-15 15:04:50,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 15:04:50,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 15:04:50,172 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 15:04:50,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1933751719] [2022-04-15 15:04:50,173 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-15 15:04:50,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:04:50,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 15:04:50,174 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 15:04:50,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-04-15 15:04:50,230 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-15 15:04:50,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 15:04:50,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 14 conjunts are in the unsatisfiable core [2022-04-15 15:04:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 15:04:50,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 15:04:50,513 INFO L272 TraceCheckUtils]: 0: Hoare triple {16926#true} call ULTIMATE.init(); {16926#true} is VALID [2022-04-15 15:04:50,513 INFO L290 TraceCheckUtils]: 1: Hoare triple {16926#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {16926#true} is VALID [2022-04-15 15:04:50,513 INFO L290 TraceCheckUtils]: 2: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,514 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16926#true} {16926#true} #103#return; {16926#true} is VALID [2022-04-15 15:04:50,514 INFO L272 TraceCheckUtils]: 4: Hoare triple {16926#true} call #t~ret6 := main(); {16926#true} is VALID [2022-04-15 15:04:50,514 INFO L290 TraceCheckUtils]: 5: Hoare triple {16926#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {16926#true} is VALID [2022-04-15 15:04:50,514 INFO L272 TraceCheckUtils]: 6: Hoare triple {16926#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,514 INFO L290 TraceCheckUtils]: 7: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,514 INFO L290 TraceCheckUtils]: 8: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,514 INFO L290 TraceCheckUtils]: 9: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,514 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {16926#true} {16926#true} #79#return; {16926#true} is VALID [2022-04-15 15:04:50,514 INFO L290 TraceCheckUtils]: 11: Hoare triple {16926#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {16926#true} is VALID [2022-04-15 15:04:50,514 INFO L272 TraceCheckUtils]: 12: Hoare triple {16926#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,515 INFO L290 TraceCheckUtils]: 13: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,515 INFO L290 TraceCheckUtils]: 14: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,515 INFO L290 TraceCheckUtils]: 15: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,515 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {16926#true} {16926#true} #81#return; {16926#true} is VALID [2022-04-15 15:04:50,515 INFO L272 TraceCheckUtils]: 17: Hoare triple {16926#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,515 INFO L290 TraceCheckUtils]: 18: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,515 INFO L290 TraceCheckUtils]: 19: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,515 INFO L290 TraceCheckUtils]: 20: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,515 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {16926#true} {16926#true} #83#return; {16926#true} is VALID [2022-04-15 15:04:50,515 INFO L272 TraceCheckUtils]: 22: Hoare triple {16926#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,516 INFO L290 TraceCheckUtils]: 23: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,516 INFO L290 TraceCheckUtils]: 24: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,516 INFO L290 TraceCheckUtils]: 25: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,516 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {16926#true} {16926#true} #85#return; {16926#true} is VALID [2022-04-15 15:04:50,516 INFO L290 TraceCheckUtils]: 27: Hoare triple {16926#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {16926#true} is VALID [2022-04-15 15:04:50,516 INFO L272 TraceCheckUtils]: 28: Hoare triple {16926#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,516 INFO L290 TraceCheckUtils]: 29: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,516 INFO L290 TraceCheckUtils]: 30: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,516 INFO L290 TraceCheckUtils]: 31: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,516 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {16926#true} {16926#true} #87#return; {16926#true} is VALID [2022-04-15 15:04:50,517 INFO L272 TraceCheckUtils]: 33: Hoare triple {16926#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,517 INFO L290 TraceCheckUtils]: 34: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,517 INFO L290 TraceCheckUtils]: 35: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,517 INFO L290 TraceCheckUtils]: 36: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,517 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {16926#true} {16926#true} #89#return; {16926#true} is VALID [2022-04-15 15:04:50,517 INFO L290 TraceCheckUtils]: 38: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-15 15:04:50,517 INFO L290 TraceCheckUtils]: 39: Hoare triple {16926#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16926#true} is VALID [2022-04-15 15:04:50,517 INFO L290 TraceCheckUtils]: 40: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-15 15:04:50,517 INFO L272 TraceCheckUtils]: 41: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,517 INFO L290 TraceCheckUtils]: 42: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,518 INFO L290 TraceCheckUtils]: 43: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,518 INFO L290 TraceCheckUtils]: 44: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,518 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {16926#true} {16926#true} #91#return; {16926#true} is VALID [2022-04-15 15:04:50,518 INFO L272 TraceCheckUtils]: 46: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,518 INFO L290 TraceCheckUtils]: 47: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,518 INFO L290 TraceCheckUtils]: 48: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,518 INFO L290 TraceCheckUtils]: 49: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,518 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {16926#true} {16926#true} #93#return; {16926#true} is VALID [2022-04-15 15:04:50,518 INFO L272 TraceCheckUtils]: 51: Hoare triple {16926#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,518 INFO L290 TraceCheckUtils]: 52: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,519 INFO L290 TraceCheckUtils]: 53: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,519 INFO L290 TraceCheckUtils]: 54: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,519 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {16926#true} {16926#true} #95#return; {16926#true} is VALID [2022-04-15 15:04:50,519 INFO L272 TraceCheckUtils]: 56: Hoare triple {16926#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,519 INFO L290 TraceCheckUtils]: 57: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,519 INFO L290 TraceCheckUtils]: 58: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,519 INFO L290 TraceCheckUtils]: 59: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,519 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {16926#true} {16926#true} #97#return; {16926#true} is VALID [2022-04-15 15:04:50,519 INFO L290 TraceCheckUtils]: 61: Hoare triple {16926#true} assume !(~c~0 >= ~b~0); {16926#true} is VALID [2022-04-15 15:04:50,519 INFO L290 TraceCheckUtils]: 62: Hoare triple {16926#true} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {16926#true} is VALID [2022-04-15 15:04:50,520 INFO L290 TraceCheckUtils]: 63: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-15 15:04:50,520 INFO L290 TraceCheckUtils]: 64: Hoare triple {16926#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16926#true} is VALID [2022-04-15 15:04:50,520 INFO L290 TraceCheckUtils]: 65: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-15 15:04:50,520 INFO L272 TraceCheckUtils]: 66: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,520 INFO L290 TraceCheckUtils]: 67: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,520 INFO L290 TraceCheckUtils]: 68: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,520 INFO L290 TraceCheckUtils]: 69: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,520 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {16926#true} {16926#true} #91#return; {16926#true} is VALID [2022-04-15 15:04:50,520 INFO L272 TraceCheckUtils]: 71: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,520 INFO L290 TraceCheckUtils]: 72: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,521 INFO L290 TraceCheckUtils]: 73: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,521 INFO L290 TraceCheckUtils]: 74: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,521 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {16926#true} {16926#true} #93#return; {16926#true} is VALID [2022-04-15 15:04:50,521 INFO L272 TraceCheckUtils]: 76: Hoare triple {16926#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,521 INFO L290 TraceCheckUtils]: 77: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,521 INFO L290 TraceCheckUtils]: 78: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,521 INFO L290 TraceCheckUtils]: 79: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,521 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {16926#true} {16926#true} #95#return; {16926#true} is VALID [2022-04-15 15:04:50,521 INFO L272 TraceCheckUtils]: 81: Hoare triple {16926#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,521 INFO L290 TraceCheckUtils]: 82: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,522 INFO L290 TraceCheckUtils]: 83: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,522 INFO L290 TraceCheckUtils]: 84: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,522 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {16926#true} {16926#true} #97#return; {16926#true} is VALID [2022-04-15 15:04:50,522 INFO L290 TraceCheckUtils]: 86: Hoare triple {16926#true} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {16926#true} is VALID [2022-04-15 15:04:50,522 INFO L290 TraceCheckUtils]: 87: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-15 15:04:50,522 INFO L272 TraceCheckUtils]: 88: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,522 INFO L290 TraceCheckUtils]: 89: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,522 INFO L290 TraceCheckUtils]: 90: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,522 INFO L290 TraceCheckUtils]: 91: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,522 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {16926#true} {16926#true} #91#return; {16926#true} is VALID [2022-04-15 15:04:50,523 INFO L272 TraceCheckUtils]: 93: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,523 INFO L290 TraceCheckUtils]: 94: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,523 INFO L290 TraceCheckUtils]: 95: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,523 INFO L290 TraceCheckUtils]: 96: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,523 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {16926#true} {16926#true} #93#return; {16926#true} is VALID [2022-04-15 15:04:50,523 INFO L272 TraceCheckUtils]: 98: Hoare triple {16926#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,523 INFO L290 TraceCheckUtils]: 99: Hoare triple {16926#true} ~cond := #in~cond; {17228#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:04:50,524 INFO L290 TraceCheckUtils]: 100: Hoare triple {17228#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:04:50,524 INFO L290 TraceCheckUtils]: 101: Hoare triple {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:04:50,525 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} {16926#true} #95#return; {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 15:04:50,525 INFO L272 TraceCheckUtils]: 103: Hoare triple {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,525 INFO L290 TraceCheckUtils]: 104: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,525 INFO L290 TraceCheckUtils]: 105: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,525 INFO L290 TraceCheckUtils]: 106: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,526 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {16926#true} {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #97#return; {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 15:04:50,527 INFO L290 TraceCheckUtils]: 108: Hoare triple {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !(~c~0 >= ~b~0); {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 15:04:50,527 INFO L290 TraceCheckUtils]: 109: Hoare triple {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 15:04:50,527 INFO L290 TraceCheckUtils]: 110: Hoare triple {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 15:04:50,528 INFO L290 TraceCheckUtils]: 111: Hoare triple {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 15:04:50,528 INFO L290 TraceCheckUtils]: 112: Hoare triple {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 15:04:50,528 INFO L272 TraceCheckUtils]: 113: Hoare triple {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:04:50,528 INFO L290 TraceCheckUtils]: 114: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:04:50,529 INFO L290 TraceCheckUtils]: 115: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:04:50,529 INFO L290 TraceCheckUtils]: 116: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:04:50,529 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {16926#true} {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} #91#return; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 15:04:50,530 INFO L272 TraceCheckUtils]: 118: Hoare triple {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {17289#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 15:04:50,530 INFO L290 TraceCheckUtils]: 119: Hoare triple {17289#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {17293#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:04:50,531 INFO L290 TraceCheckUtils]: 120: Hoare triple {17293#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {16927#false} is VALID [2022-04-15 15:04:50,531 INFO L290 TraceCheckUtils]: 121: Hoare triple {16927#false} assume !false; {16927#false} is VALID [2022-04-15 15:04:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 73 proven. 7 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-04-15 15:04:50,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:05:01,778 INFO L290 TraceCheckUtils]: 121: Hoare triple {16927#false} assume !false; {16927#false} is VALID [2022-04-15 15:05:01,778 INFO L290 TraceCheckUtils]: 120: Hoare triple {17293#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {16927#false} is VALID [2022-04-15 15:05:01,779 INFO L290 TraceCheckUtils]: 119: Hoare triple {17289#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {17293#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:01,779 INFO L272 TraceCheckUtils]: 118: Hoare triple {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {17289#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 15:05:01,780 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {16926#true} {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} #91#return; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 15:05:01,780 INFO L290 TraceCheckUtils]: 116: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,780 INFO L290 TraceCheckUtils]: 115: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,780 INFO L290 TraceCheckUtils]: 114: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,780 INFO L272 TraceCheckUtils]: 113: Hoare triple {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,781 INFO L290 TraceCheckUtils]: 112: Hoare triple {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 15:05:01,781 INFO L290 TraceCheckUtils]: 111: Hoare triple {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 15:05:01,781 INFO L290 TraceCheckUtils]: 110: Hoare triple {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 15:05:01,782 INFO L290 TraceCheckUtils]: 109: Hoare triple {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-15 15:05:01,782 INFO L290 TraceCheckUtils]: 108: Hoare triple {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !(~c~0 >= ~b~0); {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 15:05:01,783 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {16926#true} {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #97#return; {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 15:05:01,783 INFO L290 TraceCheckUtils]: 106: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,783 INFO L290 TraceCheckUtils]: 105: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,783 INFO L290 TraceCheckUtils]: 104: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,783 INFO L272 TraceCheckUtils]: 103: Hoare triple {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,784 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} {16926#true} #95#return; {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 15:05:01,784 INFO L290 TraceCheckUtils]: 101: Hoare triple {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:01,784 INFO L290 TraceCheckUtils]: 100: Hoare triple {17366#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:01,785 INFO L290 TraceCheckUtils]: 99: Hoare triple {16926#true} ~cond := #in~cond; {17366#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 15:05:01,785 INFO L272 TraceCheckUtils]: 98: Hoare triple {16926#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,785 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {16926#true} {16926#true} #93#return; {16926#true} is VALID [2022-04-15 15:05:01,785 INFO L290 TraceCheckUtils]: 96: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,785 INFO L290 TraceCheckUtils]: 95: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,785 INFO L290 TraceCheckUtils]: 94: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,785 INFO L272 TraceCheckUtils]: 93: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,785 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {16926#true} {16926#true} #91#return; {16926#true} is VALID [2022-04-15 15:05:01,785 INFO L290 TraceCheckUtils]: 91: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,785 INFO L290 TraceCheckUtils]: 90: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,785 INFO L290 TraceCheckUtils]: 89: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,785 INFO L272 TraceCheckUtils]: 88: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,786 INFO L290 TraceCheckUtils]: 87: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-15 15:05:01,786 INFO L290 TraceCheckUtils]: 86: Hoare triple {16926#true} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {16926#true} is VALID [2022-04-15 15:05:01,786 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {16926#true} {16926#true} #97#return; {16926#true} is VALID [2022-04-15 15:05:01,786 INFO L290 TraceCheckUtils]: 84: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,786 INFO L290 TraceCheckUtils]: 83: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,786 INFO L290 TraceCheckUtils]: 82: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,786 INFO L272 TraceCheckUtils]: 81: Hoare triple {16926#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,786 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {16926#true} {16926#true} #95#return; {16926#true} is VALID [2022-04-15 15:05:01,786 INFO L290 TraceCheckUtils]: 79: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,786 INFO L290 TraceCheckUtils]: 78: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,786 INFO L290 TraceCheckUtils]: 77: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,786 INFO L272 TraceCheckUtils]: 76: Hoare triple {16926#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,786 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {16926#true} {16926#true} #93#return; {16926#true} is VALID [2022-04-15 15:05:01,786 INFO L290 TraceCheckUtils]: 74: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,787 INFO L290 TraceCheckUtils]: 73: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,787 INFO L290 TraceCheckUtils]: 72: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,787 INFO L272 TraceCheckUtils]: 71: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,787 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {16926#true} {16926#true} #91#return; {16926#true} is VALID [2022-04-15 15:05:01,787 INFO L290 TraceCheckUtils]: 69: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,787 INFO L290 TraceCheckUtils]: 68: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,787 INFO L290 TraceCheckUtils]: 67: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,787 INFO L272 TraceCheckUtils]: 66: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,787 INFO L290 TraceCheckUtils]: 65: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-15 15:05:01,787 INFO L290 TraceCheckUtils]: 64: Hoare triple {16926#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16926#true} is VALID [2022-04-15 15:05:01,787 INFO L290 TraceCheckUtils]: 63: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-15 15:05:01,787 INFO L290 TraceCheckUtils]: 62: Hoare triple {16926#true} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {16926#true} is VALID [2022-04-15 15:05:01,787 INFO L290 TraceCheckUtils]: 61: Hoare triple {16926#true} assume !(~c~0 >= ~b~0); {16926#true} is VALID [2022-04-15 15:05:01,787 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {16926#true} {16926#true} #97#return; {16926#true} is VALID [2022-04-15 15:05:01,788 INFO L290 TraceCheckUtils]: 59: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,788 INFO L290 TraceCheckUtils]: 58: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,788 INFO L290 TraceCheckUtils]: 57: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,788 INFO L272 TraceCheckUtils]: 56: Hoare triple {16926#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,788 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {16926#true} {16926#true} #95#return; {16926#true} is VALID [2022-04-15 15:05:01,788 INFO L290 TraceCheckUtils]: 54: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,788 INFO L290 TraceCheckUtils]: 53: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,788 INFO L290 TraceCheckUtils]: 52: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,788 INFO L272 TraceCheckUtils]: 51: Hoare triple {16926#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,788 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {16926#true} {16926#true} #93#return; {16926#true} is VALID [2022-04-15 15:05:01,788 INFO L290 TraceCheckUtils]: 49: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,788 INFO L290 TraceCheckUtils]: 48: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,788 INFO L290 TraceCheckUtils]: 47: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,788 INFO L272 TraceCheckUtils]: 46: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,789 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {16926#true} {16926#true} #91#return; {16926#true} is VALID [2022-04-15 15:05:01,789 INFO L290 TraceCheckUtils]: 44: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,789 INFO L290 TraceCheckUtils]: 43: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,789 INFO L290 TraceCheckUtils]: 42: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,789 INFO L272 TraceCheckUtils]: 41: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,789 INFO L290 TraceCheckUtils]: 40: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-15 15:05:01,789 INFO L290 TraceCheckUtils]: 39: Hoare triple {16926#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16926#true} is VALID [2022-04-15 15:05:01,789 INFO L290 TraceCheckUtils]: 38: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-15 15:05:01,789 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {16926#true} {16926#true} #89#return; {16926#true} is VALID [2022-04-15 15:05:01,789 INFO L290 TraceCheckUtils]: 36: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,789 INFO L290 TraceCheckUtils]: 35: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,789 INFO L290 TraceCheckUtils]: 34: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,789 INFO L272 TraceCheckUtils]: 33: Hoare triple {16926#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,789 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {16926#true} {16926#true} #87#return; {16926#true} is VALID [2022-04-15 15:05:01,790 INFO L290 TraceCheckUtils]: 31: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,790 INFO L290 TraceCheckUtils]: 30: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,790 INFO L290 TraceCheckUtils]: 29: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,790 INFO L272 TraceCheckUtils]: 28: Hoare triple {16926#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,790 INFO L290 TraceCheckUtils]: 27: Hoare triple {16926#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {16926#true} is VALID [2022-04-15 15:05:01,790 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {16926#true} {16926#true} #85#return; {16926#true} is VALID [2022-04-15 15:05:01,790 INFO L290 TraceCheckUtils]: 25: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,790 INFO L290 TraceCheckUtils]: 24: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,790 INFO L290 TraceCheckUtils]: 23: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,790 INFO L272 TraceCheckUtils]: 22: Hoare triple {16926#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,790 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {16926#true} {16926#true} #83#return; {16926#true} is VALID [2022-04-15 15:05:01,790 INFO L290 TraceCheckUtils]: 20: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,790 INFO L290 TraceCheckUtils]: 19: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,790 INFO L290 TraceCheckUtils]: 18: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,791 INFO L272 TraceCheckUtils]: 17: Hoare triple {16926#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,791 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {16926#true} {16926#true} #81#return; {16926#true} is VALID [2022-04-15 15:05:01,791 INFO L290 TraceCheckUtils]: 15: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,791 INFO L290 TraceCheckUtils]: 14: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,791 INFO L290 TraceCheckUtils]: 13: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,791 INFO L272 TraceCheckUtils]: 12: Hoare triple {16926#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,791 INFO L290 TraceCheckUtils]: 11: Hoare triple {16926#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {16926#true} is VALID [2022-04-15 15:05:01,791 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {16926#true} {16926#true} #79#return; {16926#true} is VALID [2022-04-15 15:05:01,791 INFO L290 TraceCheckUtils]: 9: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,791 INFO L290 TraceCheckUtils]: 8: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-15 15:05:01,791 INFO L290 TraceCheckUtils]: 7: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-15 15:05:01,791 INFO L272 TraceCheckUtils]: 6: Hoare triple {16926#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {16926#true} is VALID [2022-04-15 15:05:01,791 INFO L290 TraceCheckUtils]: 5: Hoare triple {16926#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {16926#true} is VALID [2022-04-15 15:05:01,791 INFO L272 TraceCheckUtils]: 4: Hoare triple {16926#true} call #t~ret6 := main(); {16926#true} is VALID [2022-04-15 15:05:01,792 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16926#true} {16926#true} #103#return; {16926#true} is VALID [2022-04-15 15:05:01,792 INFO L290 TraceCheckUtils]: 2: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-15 15:05:01,792 INFO L290 TraceCheckUtils]: 1: Hoare triple {16926#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {16926#true} is VALID [2022-04-15 15:05:01,792 INFO L272 TraceCheckUtils]: 0: Hoare triple {16926#true} call ULTIMATE.init(); {16926#true} is VALID [2022-04-15 15:05:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 73 proven. 7 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-04-15 15:05:01,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:05:01,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898512341] [2022-04-15 15:05:01,792 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:05:01,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933751719] [2022-04-15 15:05:01,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933751719] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 15:05:01,793 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 15:05:01,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-04-15 15:05:01,793 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:05:01,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [51691698] [2022-04-15 15:05:01,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [51691698] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:05:01,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:05:01,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-15 15:05:01,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119106083] [2022-04-15 15:05:01,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:05:01,794 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 122 [2022-04-15 15:05:01,795 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:05:01,795 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-04-15 15:05:01,840 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:05:01,840 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-15 15:05:01,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:05:01,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-15 15:05:01,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-15 15:05:01,841 INFO L87 Difference]: Start difference. First operand 221 states and 303 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-04-15 15:05:03,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:05:03,044 INFO L93 Difference]: Finished difference Result 235 states and 314 transitions. [2022-04-15 15:05:03,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-15 15:05:03,044 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 122 [2022-04-15 15:05:03,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 15:05:03,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-04-15 15:05:03,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-04-15 15:05:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-04-15 15:05:03,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-04-15 15:05:03,047 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 60 transitions. [2022-04-15 15:05:03,100 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:05:03,104 INFO L225 Difference]: With dead ends: 235 [2022-04-15 15:05:03,104 INFO L226 Difference]: Without dead ends: 232 [2022-04-15 15:05:03,105 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 235 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-04-15 15:05:03,105 INFO L913 BasicCegarLoop]: 36 mSDtfsCounter, 17 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-15 15:05:03,105 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 156 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-15 15:05:03,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2022-04-15 15:05:03,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 231. [2022-04-15 15:05:03,689 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 15:05:03,689 INFO L82 GeneralOperation]: Start isEquivalent. First operand 232 states. Second operand has 231 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 125 states have internal predecessors, (141), 85 states have call successors, (85), 22 states have call predecessors, (85), 21 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-15 15:05:03,690 INFO L74 IsIncluded]: Start isIncluded. First operand 232 states. Second operand has 231 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 125 states have internal predecessors, (141), 85 states have call successors, (85), 22 states have call predecessors, (85), 21 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-15 15:05:03,690 INFO L87 Difference]: Start difference. First operand 232 states. Second operand has 231 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 125 states have internal predecessors, (141), 85 states have call successors, (85), 22 states have call predecessors, (85), 21 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-15 15:05:03,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:05:03,700 INFO L93 Difference]: Finished difference Result 232 states and 310 transitions. [2022-04-15 15:05:03,700 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 310 transitions. [2022-04-15 15:05:03,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:05:03,701 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:05:03,702 INFO L74 IsIncluded]: Start isIncluded. First operand has 231 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 125 states have internal predecessors, (141), 85 states have call successors, (85), 22 states have call predecessors, (85), 21 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 232 states. [2022-04-15 15:05:03,702 INFO L87 Difference]: Start difference. First operand has 231 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 125 states have internal predecessors, (141), 85 states have call successors, (85), 22 states have call predecessors, (85), 21 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 232 states. [2022-04-15 15:05:03,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:05:03,708 INFO L93 Difference]: Finished difference Result 232 states and 310 transitions. [2022-04-15 15:05:03,708 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 310 transitions. [2022-04-15 15:05:03,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:05:03,709 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:05:03,710 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 15:05:03,710 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 15:05:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 125 states have internal predecessors, (141), 85 states have call successors, (85), 22 states have call predecessors, (85), 21 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-15 15:05:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 309 transitions. [2022-04-15 15:05:03,717 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 309 transitions. Word has length 122 [2022-04-15 15:05:03,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 15:05:03,717 INFO L478 AbstractCegarLoop]: Abstraction has 231 states and 309 transitions. [2022-04-15 15:05:03,718 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-04-15 15:05:03,718 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 231 states and 309 transitions. [2022-04-15 15:05:04,422 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 309 edges. 309 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:05:04,422 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 309 transitions. [2022-04-15 15:05:04,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-04-15 15:05:04,423 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 15:05:04,423 INFO L499 BasicCegarLoop]: trace histogram [15, 14, 14, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 15:05:04,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-04-15 15:05:04,646 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-04-15 15:05:04,646 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 15:05:04,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 15:05:04,646 INFO L85 PathProgramCache]: Analyzing trace with hash 541794983, now seen corresponding path program 5 times [2022-04-15 15:05:04,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 15:05:04,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [925734529] [2022-04-15 15:05:04,647 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 15:05:04,647 INFO L85 PathProgramCache]: Analyzing trace with hash 541794983, now seen corresponding path program 6 times [2022-04-15 15:05:04,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 15:05:04,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956638144] [2022-04-15 15:05:04,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 15:05:04,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 15:05:04,659 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 15:05:04,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1299228481] [2022-04-15 15:05:04,659 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-15 15:05:04,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:05:04,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 15:05:04,661 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 15:05:04,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-04-15 15:05:04,753 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-15 15:05:04,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 15:05:04,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 51 conjunts are in the unsatisfiable core [2022-04-15 15:05:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 15:05:04,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 15:05:06,119 INFO L272 TraceCheckUtils]: 0: Hoare triple {19068#true} call ULTIMATE.init(); {19068#true} is VALID [2022-04-15 15:05:06,119 INFO L290 TraceCheckUtils]: 1: Hoare triple {19068#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {19068#true} is VALID [2022-04-15 15:05:06,120 INFO L290 TraceCheckUtils]: 2: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,120 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19068#true} {19068#true} #103#return; {19068#true} is VALID [2022-04-15 15:05:06,120 INFO L272 TraceCheckUtils]: 4: Hoare triple {19068#true} call #t~ret6 := main(); {19068#true} is VALID [2022-04-15 15:05:06,120 INFO L290 TraceCheckUtils]: 5: Hoare triple {19068#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {19068#true} is VALID [2022-04-15 15:05:06,120 INFO L272 TraceCheckUtils]: 6: Hoare triple {19068#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,120 INFO L290 TraceCheckUtils]: 7: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,120 INFO L290 TraceCheckUtils]: 8: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,120 INFO L290 TraceCheckUtils]: 9: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,120 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {19068#true} {19068#true} #79#return; {19068#true} is VALID [2022-04-15 15:05:06,120 INFO L290 TraceCheckUtils]: 11: Hoare triple {19068#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {19068#true} is VALID [2022-04-15 15:05:06,120 INFO L272 TraceCheckUtils]: 12: Hoare triple {19068#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,121 INFO L290 TraceCheckUtils]: 13: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,121 INFO L290 TraceCheckUtils]: 14: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,121 INFO L290 TraceCheckUtils]: 15: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,121 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {19068#true} {19068#true} #81#return; {19068#true} is VALID [2022-04-15 15:05:06,121 INFO L272 TraceCheckUtils]: 17: Hoare triple {19068#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,121 INFO L290 TraceCheckUtils]: 18: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,121 INFO L290 TraceCheckUtils]: 19: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,121 INFO L290 TraceCheckUtils]: 20: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,121 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {19068#true} {19068#true} #83#return; {19068#true} is VALID [2022-04-15 15:05:06,121 INFO L272 TraceCheckUtils]: 22: Hoare triple {19068#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,121 INFO L290 TraceCheckUtils]: 23: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,121 INFO L290 TraceCheckUtils]: 24: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,121 INFO L290 TraceCheckUtils]: 25: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,122 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {19068#true} {19068#true} #85#return; {19068#true} is VALID [2022-04-15 15:05:06,122 INFO L290 TraceCheckUtils]: 27: Hoare triple {19068#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {19154#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:06,122 INFO L272 TraceCheckUtils]: 28: Hoare triple {19154#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,122 INFO L290 TraceCheckUtils]: 29: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,122 INFO L290 TraceCheckUtils]: 30: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,122 INFO L290 TraceCheckUtils]: 31: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,123 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {19068#true} {19154#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {19154#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:06,123 INFO L272 TraceCheckUtils]: 33: Hoare triple {19154#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,123 INFO L290 TraceCheckUtils]: 34: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,123 INFO L290 TraceCheckUtils]: 35: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,123 INFO L290 TraceCheckUtils]: 36: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,126 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {19068#true} {19154#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {19154#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:06,126 INFO L290 TraceCheckUtils]: 38: Hoare triple {19154#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {19154#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:06,126 INFO L290 TraceCheckUtils]: 39: Hoare triple {19154#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:06,127 INFO L290 TraceCheckUtils]: 40: Hoare triple {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !false; {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:06,127 INFO L272 TraceCheckUtils]: 41: Hoare triple {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,127 INFO L290 TraceCheckUtils]: 42: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,127 INFO L290 TraceCheckUtils]: 43: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,127 INFO L290 TraceCheckUtils]: 44: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,128 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {19068#true} {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #91#return; {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:06,128 INFO L272 TraceCheckUtils]: 46: Hoare triple {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,128 INFO L290 TraceCheckUtils]: 47: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,128 INFO L290 TraceCheckUtils]: 48: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,128 INFO L290 TraceCheckUtils]: 49: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,129 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {19068#true} {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #93#return; {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:06,129 INFO L272 TraceCheckUtils]: 51: Hoare triple {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,129 INFO L290 TraceCheckUtils]: 52: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,129 INFO L290 TraceCheckUtils]: 53: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,129 INFO L290 TraceCheckUtils]: 54: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,130 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {19068#true} {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #95#return; {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:06,130 INFO L272 TraceCheckUtils]: 56: Hoare triple {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,130 INFO L290 TraceCheckUtils]: 57: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,130 INFO L290 TraceCheckUtils]: 58: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,130 INFO L290 TraceCheckUtils]: 59: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,131 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {19068#true} {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #97#return; {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:06,131 INFO L290 TraceCheckUtils]: 61: Hoare triple {19191#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {19258#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (not (<= main_~b~0 main_~c~0)) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:06,132 INFO L290 TraceCheckUtils]: 62: Hoare triple {19258#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (not (<= main_~b~0 main_~c~0)) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {19262#(and (= main_~s~0 0) (= main_~p~0 0) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-15 15:05:06,132 INFO L290 TraceCheckUtils]: 63: Hoare triple {19262#(and (= main_~s~0 0) (= main_~p~0 0) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !false; {19262#(and (= main_~s~0 0) (= main_~p~0 0) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-15 15:05:06,133 INFO L290 TraceCheckUtils]: 64: Hoare triple {19262#(and (= main_~s~0 0) (= main_~p~0 0) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} is VALID [2022-04-15 15:05:06,133 INFO L290 TraceCheckUtils]: 65: Hoare triple {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} assume !false; {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} is VALID [2022-04-15 15:05:06,133 INFO L272 TraceCheckUtils]: 66: Hoare triple {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,133 INFO L290 TraceCheckUtils]: 67: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,133 INFO L290 TraceCheckUtils]: 68: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,134 INFO L290 TraceCheckUtils]: 69: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,134 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {19068#true} {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} #91#return; {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} is VALID [2022-04-15 15:05:06,134 INFO L272 TraceCheckUtils]: 71: Hoare triple {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,134 INFO L290 TraceCheckUtils]: 72: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,134 INFO L290 TraceCheckUtils]: 73: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,135 INFO L290 TraceCheckUtils]: 74: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,135 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {19068#true} {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} #93#return; {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} is VALID [2022-04-15 15:05:06,135 INFO L272 TraceCheckUtils]: 76: Hoare triple {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,135 INFO L290 TraceCheckUtils]: 77: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,135 INFO L290 TraceCheckUtils]: 78: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,136 INFO L290 TraceCheckUtils]: 79: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,136 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {19068#true} {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} #95#return; {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} is VALID [2022-04-15 15:05:06,136 INFO L272 TraceCheckUtils]: 81: Hoare triple {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,136 INFO L290 TraceCheckUtils]: 82: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,136 INFO L290 TraceCheckUtils]: 83: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,136 INFO L290 TraceCheckUtils]: 84: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,137 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {19068#true} {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} #97#return; {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} is VALID [2022-04-15 15:05:06,138 INFO L290 TraceCheckUtils]: 86: Hoare triple {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-15 15:05:06,138 INFO L290 TraceCheckUtils]: 87: Hoare triple {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !false; {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-15 15:05:06,138 INFO L272 TraceCheckUtils]: 88: Hoare triple {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,138 INFO L290 TraceCheckUtils]: 89: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,138 INFO L290 TraceCheckUtils]: 90: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,138 INFO L290 TraceCheckUtils]: 91: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,139 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {19068#true} {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #91#return; {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-15 15:05:06,139 INFO L272 TraceCheckUtils]: 93: Hoare triple {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,139 INFO L290 TraceCheckUtils]: 94: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,139 INFO L290 TraceCheckUtils]: 95: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,140 INFO L290 TraceCheckUtils]: 96: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,140 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {19068#true} {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #93#return; {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-15 15:05:06,140 INFO L272 TraceCheckUtils]: 98: Hoare triple {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,140 INFO L290 TraceCheckUtils]: 99: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,140 INFO L290 TraceCheckUtils]: 100: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,141 INFO L290 TraceCheckUtils]: 101: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,141 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {19068#true} {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #95#return; {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-15 15:05:06,141 INFO L272 TraceCheckUtils]: 103: Hoare triple {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,141 INFO L290 TraceCheckUtils]: 104: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,141 INFO L290 TraceCheckUtils]: 105: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,141 INFO L290 TraceCheckUtils]: 106: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,142 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {19068#true} {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #97#return; {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-15 15:05:06,143 INFO L290 TraceCheckUtils]: 108: Hoare triple {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !(~c~0 >= ~b~0); {19403#(and (= main_~x~0 (+ (* (- 1) main_~c~0) main_~y~0)) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (not (<= main_~y~0 (* main_~c~0 2))) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~q~0 1))} is VALID [2022-04-15 15:05:06,144 INFO L290 TraceCheckUtils]: 109: Hoare triple {19403#(and (= main_~x~0 (+ (* (- 1) main_~c~0) main_~y~0)) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (not (<= main_~y~0 (* main_~c~0 2))) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~q~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} is VALID [2022-04-15 15:05:06,145 INFO L290 TraceCheckUtils]: 110: Hoare triple {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} assume !false; {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} is VALID [2022-04-15 15:05:06,145 INFO L290 TraceCheckUtils]: 111: Hoare triple {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} is VALID [2022-04-15 15:05:06,146 INFO L290 TraceCheckUtils]: 112: Hoare triple {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} assume !false; {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} is VALID [2022-04-15 15:05:06,146 INFO L272 TraceCheckUtils]: 113: Hoare triple {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,146 INFO L290 TraceCheckUtils]: 114: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,146 INFO L290 TraceCheckUtils]: 115: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,146 INFO L290 TraceCheckUtils]: 116: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,147 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {19068#true} {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} #91#return; {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} is VALID [2022-04-15 15:05:06,147 INFO L272 TraceCheckUtils]: 118: Hoare triple {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:06,147 INFO L290 TraceCheckUtils]: 119: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:06,147 INFO L290 TraceCheckUtils]: 120: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:06,147 INFO L290 TraceCheckUtils]: 121: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:06,148 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {19068#true} {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} #93#return; {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} is VALID [2022-04-15 15:05:06,148 INFO L272 TraceCheckUtils]: 123: Hoare triple {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {19450#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 15:05:06,149 INFO L290 TraceCheckUtils]: 124: Hoare triple {19450#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {19454#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:06,149 INFO L290 TraceCheckUtils]: 125: Hoare triple {19454#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {19069#false} is VALID [2022-04-15 15:05:06,149 INFO L290 TraceCheckUtils]: 126: Hoare triple {19069#false} assume !false; {19069#false} is VALID [2022-04-15 15:05:06,149 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 28 proven. 37 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2022-04-15 15:05:06,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:05:08,266 INFO L290 TraceCheckUtils]: 126: Hoare triple {19069#false} assume !false; {19069#false} is VALID [2022-04-15 15:05:08,267 INFO L290 TraceCheckUtils]: 125: Hoare triple {19454#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {19069#false} is VALID [2022-04-15 15:05:08,267 INFO L290 TraceCheckUtils]: 124: Hoare triple {19450#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {19454#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:08,268 INFO L272 TraceCheckUtils]: 123: Hoare triple {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {19450#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 15:05:08,268 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {19068#true} {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #93#return; {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 15:05:08,268 INFO L290 TraceCheckUtils]: 121: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:08,268 INFO L290 TraceCheckUtils]: 120: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:08,268 INFO L290 TraceCheckUtils]: 119: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:08,269 INFO L272 TraceCheckUtils]: 118: Hoare triple {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:08,269 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {19068#true} {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #91#return; {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 15:05:08,269 INFO L290 TraceCheckUtils]: 116: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:08,269 INFO L290 TraceCheckUtils]: 115: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:08,269 INFO L290 TraceCheckUtils]: 114: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:08,269 INFO L272 TraceCheckUtils]: 113: Hoare triple {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:08,270 INFO L290 TraceCheckUtils]: 112: Hoare triple {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !false; {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 15:05:08,270 INFO L290 TraceCheckUtils]: 111: Hoare triple {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 15:05:08,271 INFO L290 TraceCheckUtils]: 110: Hoare triple {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !false; {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-15 15:05:10,272 WARN L290 TraceCheckUtils]: 109: Hoare triple {19513#(= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is UNKNOWN [2022-04-15 15:05:10,273 INFO L290 TraceCheckUtils]: 108: Hoare triple {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} assume !(~c~0 >= ~b~0); {19513#(= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)} is VALID [2022-04-15 15:05:10,274 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {19068#true} {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} #97#return; {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:05:10,274 INFO L290 TraceCheckUtils]: 106: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,274 INFO L290 TraceCheckUtils]: 105: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,274 INFO L290 TraceCheckUtils]: 104: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,274 INFO L272 TraceCheckUtils]: 103: Hoare triple {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,275 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {19068#true} {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} #95#return; {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:05:10,275 INFO L290 TraceCheckUtils]: 101: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,275 INFO L290 TraceCheckUtils]: 100: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,275 INFO L290 TraceCheckUtils]: 99: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,275 INFO L272 TraceCheckUtils]: 98: Hoare triple {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,277 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {19068#true} {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} #93#return; {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:05:10,277 INFO L290 TraceCheckUtils]: 96: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,277 INFO L290 TraceCheckUtils]: 95: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,278 INFO L290 TraceCheckUtils]: 94: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,278 INFO L272 TraceCheckUtils]: 93: Hoare triple {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,278 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {19068#true} {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} #91#return; {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:05:10,278 INFO L290 TraceCheckUtils]: 91: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,278 INFO L290 TraceCheckUtils]: 90: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,278 INFO L290 TraceCheckUtils]: 89: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,279 INFO L272 TraceCheckUtils]: 88: Hoare triple {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,279 INFO L290 TraceCheckUtils]: 87: Hoare triple {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} assume !false; {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:05:10,420 INFO L290 TraceCheckUtils]: 86: Hoare triple {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {19517#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:05:10,421 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {19068#true} {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} #97#return; {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} is VALID [2022-04-15 15:05:10,421 INFO L290 TraceCheckUtils]: 84: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,421 INFO L290 TraceCheckUtils]: 83: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,421 INFO L290 TraceCheckUtils]: 82: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,421 INFO L272 TraceCheckUtils]: 81: Hoare triple {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,422 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {19068#true} {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} #95#return; {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} is VALID [2022-04-15 15:05:10,422 INFO L290 TraceCheckUtils]: 79: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,422 INFO L290 TraceCheckUtils]: 78: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,422 INFO L290 TraceCheckUtils]: 77: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,422 INFO L272 TraceCheckUtils]: 76: Hoare triple {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,423 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {19068#true} {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} #93#return; {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} is VALID [2022-04-15 15:05:10,423 INFO L290 TraceCheckUtils]: 74: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,423 INFO L290 TraceCheckUtils]: 73: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,423 INFO L290 TraceCheckUtils]: 72: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,423 INFO L272 TraceCheckUtils]: 71: Hoare triple {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,424 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {19068#true} {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} #91#return; {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} is VALID [2022-04-15 15:05:10,424 INFO L290 TraceCheckUtils]: 69: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,424 INFO L290 TraceCheckUtils]: 68: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,424 INFO L290 TraceCheckUtils]: 67: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,424 INFO L272 TraceCheckUtils]: 66: Hoare triple {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,425 INFO L290 TraceCheckUtils]: 65: Hoare triple {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} assume !false; {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} is VALID [2022-04-15 15:05:10,426 INFO L290 TraceCheckUtils]: 64: Hoare triple {19651#(or (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))))) (<= (* main_~b~0 2) main_~a~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {19584#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0))))} is VALID [2022-04-15 15:05:10,426 INFO L290 TraceCheckUtils]: 63: Hoare triple {19651#(or (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))))) (<= (* main_~b~0 2) main_~a~0))} assume !false; {19651#(or (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))))) (<= (* main_~b~0 2) main_~a~0))} is VALID [2022-04-15 15:05:10,584 INFO L290 TraceCheckUtils]: 62: Hoare triple {19658#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {19651#(or (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))))) (<= (* main_~b~0 2) main_~a~0))} is VALID [2022-04-15 15:05:10,585 INFO L290 TraceCheckUtils]: 61: Hoare triple {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} assume !(~c~0 >= ~b~0); {19658#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)))} is VALID [2022-04-15 15:05:10,586 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {19068#true} {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} #97#return; {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:05:10,586 INFO L290 TraceCheckUtils]: 59: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,586 INFO L290 TraceCheckUtils]: 58: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,586 INFO L290 TraceCheckUtils]: 57: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,586 INFO L272 TraceCheckUtils]: 56: Hoare triple {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,587 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {19068#true} {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} #95#return; {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:05:10,587 INFO L290 TraceCheckUtils]: 54: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,587 INFO L290 TraceCheckUtils]: 53: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,587 INFO L290 TraceCheckUtils]: 52: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,587 INFO L272 TraceCheckUtils]: 51: Hoare triple {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,588 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {19068#true} {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} #93#return; {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:05:10,588 INFO L290 TraceCheckUtils]: 49: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,588 INFO L290 TraceCheckUtils]: 48: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,588 INFO L290 TraceCheckUtils]: 47: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,588 INFO L272 TraceCheckUtils]: 46: Hoare triple {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,589 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {19068#true} {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} #91#return; {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:05:10,589 INFO L290 TraceCheckUtils]: 44: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,589 INFO L290 TraceCheckUtils]: 43: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,589 INFO L290 TraceCheckUtils]: 42: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,589 INFO L272 TraceCheckUtils]: 41: Hoare triple {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,590 INFO L290 TraceCheckUtils]: 40: Hoare triple {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} assume !false; {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:05:10,590 INFO L290 TraceCheckUtils]: 39: Hoare triple {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {19662#(or (<= (* main_~c~0 2) main_~b~0) (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:05:10,591 INFO L290 TraceCheckUtils]: 38: Hoare triple {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} assume !false; {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} is VALID [2022-04-15 15:05:10,591 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {19068#true} {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} #89#return; {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} is VALID [2022-04-15 15:05:10,592 INFO L290 TraceCheckUtils]: 36: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,592 INFO L290 TraceCheckUtils]: 35: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,592 INFO L290 TraceCheckUtils]: 34: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,592 INFO L272 TraceCheckUtils]: 33: Hoare triple {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,592 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {19068#true} {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} #87#return; {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} is VALID [2022-04-15 15:05:10,593 INFO L290 TraceCheckUtils]: 31: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,593 INFO L290 TraceCheckUtils]: 30: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,593 INFO L290 TraceCheckUtils]: 29: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,593 INFO L272 TraceCheckUtils]: 28: Hoare triple {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,593 INFO L290 TraceCheckUtils]: 27: Hoare triple {19068#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} is VALID [2022-04-15 15:05:10,593 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {19068#true} {19068#true} #85#return; {19068#true} is VALID [2022-04-15 15:05:10,593 INFO L290 TraceCheckUtils]: 25: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,594 INFO L290 TraceCheckUtils]: 24: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,594 INFO L290 TraceCheckUtils]: 23: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,594 INFO L272 TraceCheckUtils]: 22: Hoare triple {19068#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,594 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {19068#true} {19068#true} #83#return; {19068#true} is VALID [2022-04-15 15:05:10,594 INFO L290 TraceCheckUtils]: 20: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,594 INFO L290 TraceCheckUtils]: 19: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,594 INFO L290 TraceCheckUtils]: 18: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,594 INFO L272 TraceCheckUtils]: 17: Hoare triple {19068#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,594 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {19068#true} {19068#true} #81#return; {19068#true} is VALID [2022-04-15 15:05:10,594 INFO L290 TraceCheckUtils]: 15: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,594 INFO L290 TraceCheckUtils]: 14: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,594 INFO L290 TraceCheckUtils]: 13: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,594 INFO L272 TraceCheckUtils]: 12: Hoare triple {19068#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,594 INFO L290 TraceCheckUtils]: 11: Hoare triple {19068#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {19068#true} is VALID [2022-04-15 15:05:10,595 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {19068#true} {19068#true} #79#return; {19068#true} is VALID [2022-04-15 15:05:10,595 INFO L290 TraceCheckUtils]: 9: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,595 INFO L290 TraceCheckUtils]: 8: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-15 15:05:10,595 INFO L290 TraceCheckUtils]: 7: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-15 15:05:10,595 INFO L272 TraceCheckUtils]: 6: Hoare triple {19068#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {19068#true} is VALID [2022-04-15 15:05:10,595 INFO L290 TraceCheckUtils]: 5: Hoare triple {19068#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {19068#true} is VALID [2022-04-15 15:05:10,595 INFO L272 TraceCheckUtils]: 4: Hoare triple {19068#true} call #t~ret6 := main(); {19068#true} is VALID [2022-04-15 15:05:10,595 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19068#true} {19068#true} #103#return; {19068#true} is VALID [2022-04-15 15:05:10,595 INFO L290 TraceCheckUtils]: 2: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-15 15:05:10,595 INFO L290 TraceCheckUtils]: 1: Hoare triple {19068#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {19068#true} is VALID [2022-04-15 15:05:10,596 INFO L272 TraceCheckUtils]: 0: Hoare triple {19068#true} call ULTIMATE.init(); {19068#true} is VALID [2022-04-15 15:05:10,596 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2022-04-15 15:05:10,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:05:10,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956638144] [2022-04-15 15:05:10,597 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:05:10,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299228481] [2022-04-15 15:05:10,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299228481] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 15:05:10,597 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 15:05:10,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2022-04-15 15:05:10,597 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:05:10,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [925734529] [2022-04-15 15:05:10,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [925734529] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:05:10,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:05:10,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-15 15:05:10,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6033795] [2022-04-15 15:05:10,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:05:10,598 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 6 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 127 [2022-04-15 15:05:10,598 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:05:10,599 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 6 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-04-15 15:05:10,674 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:05:10,674 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-15 15:05:10,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:05:10,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-15 15:05:10,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2022-04-15 15:05:10,675 INFO L87 Difference]: Start difference. First operand 231 states and 309 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 6 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-04-15 15:05:14,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:05:14,071 INFO L93 Difference]: Finished difference Result 269 states and 358 transitions. [2022-04-15 15:05:14,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-15 15:05:14,071 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 6 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 127 [2022-04-15 15:05:14,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 15:05:14,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 6 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-04-15 15:05:14,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 125 transitions. [2022-04-15 15:05:14,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 6 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-04-15 15:05:14,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 125 transitions. [2022-04-15 15:05:14,075 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 125 transitions. [2022-04-15 15:05:14,225 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:05:14,231 INFO L225 Difference]: With dead ends: 269 [2022-04-15 15:05:14,231 INFO L226 Difference]: Without dead ends: 267 [2022-04-15 15:05:14,232 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2022-04-15 15:05:14,232 INFO L913 BasicCegarLoop]: 65 mSDtfsCounter, 22 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-04-15 15:05:14,232 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 378 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-04-15 15:05:14,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-04-15 15:05:14,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 264. [2022-04-15 15:05:14,975 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 15:05:14,975 INFO L82 GeneralOperation]: Start isEquivalent. First operand 267 states. Second operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-15 15:05:14,976 INFO L74 IsIncluded]: Start isIncluded. First operand 267 states. Second operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-15 15:05:14,976 INFO L87 Difference]: Start difference. First operand 267 states. Second operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-15 15:05:14,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:05:14,983 INFO L93 Difference]: Finished difference Result 267 states and 356 transitions. [2022-04-15 15:05:14,983 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 356 transitions. [2022-04-15 15:05:14,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:05:14,984 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:05:14,984 INFO L74 IsIncluded]: Start isIncluded. First operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) Second operand 267 states. [2022-04-15 15:05:14,985 INFO L87 Difference]: Start difference. First operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) Second operand 267 states. [2022-04-15 15:05:14,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:05:14,991 INFO L93 Difference]: Finished difference Result 267 states and 356 transitions. [2022-04-15 15:05:14,991 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 356 transitions. [2022-04-15 15:05:14,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:05:14,992 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:05:14,993 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 15:05:14,993 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 15:05:14,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-15 15:05:15,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 353 transitions. [2022-04-15 15:05:15,001 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 353 transitions. Word has length 127 [2022-04-15 15:05:15,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 15:05:15,001 INFO L478 AbstractCegarLoop]: Abstraction has 264 states and 353 transitions. [2022-04-15 15:05:15,001 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 6 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-04-15 15:05:15,001 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 264 states and 353 transitions. [2022-04-15 15:05:15,860 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 353 edges. 353 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:05:15,860 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 353 transitions. [2022-04-15 15:05:15,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-04-15 15:05:15,861 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 15:05:15,861 INFO L499 BasicCegarLoop]: trace histogram [16, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 15:05:15,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-04-15 15:05:16,061 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-04-15 15:05:16,062 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 15:05:16,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 15:05:16,062 INFO L85 PathProgramCache]: Analyzing trace with hash -2138166692, now seen corresponding path program 7 times [2022-04-15 15:05:16,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 15:05:16,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [313525805] [2022-04-15 15:05:16,063 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 15:05:16,063 INFO L85 PathProgramCache]: Analyzing trace with hash -2138166692, now seen corresponding path program 8 times [2022-04-15 15:05:16,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 15:05:16,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532347428] [2022-04-15 15:05:16,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 15:05:16,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 15:05:16,084 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 15:05:16,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [987520071] [2022-04-15 15:05:16,085 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 15:05:16,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:05:16,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 15:05:16,086 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 15:05:16,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-04-15 15:05:16,171 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 15:05:16,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 15:05:16,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 72 conjunts are in the unsatisfiable core [2022-04-15 15:05:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 15:05:16,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 15:05:25,781 INFO L272 TraceCheckUtils]: 0: Hoare triple {21461#true} call ULTIMATE.init(); {21461#true} is VALID [2022-04-15 15:05:25,781 INFO L290 TraceCheckUtils]: 1: Hoare triple {21461#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {21461#true} is VALID [2022-04-15 15:05:25,781 INFO L290 TraceCheckUtils]: 2: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,781 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {21461#true} {21461#true} #103#return; {21461#true} is VALID [2022-04-15 15:05:25,781 INFO L272 TraceCheckUtils]: 4: Hoare triple {21461#true} call #t~ret6 := main(); {21461#true} is VALID [2022-04-15 15:05:25,781 INFO L290 TraceCheckUtils]: 5: Hoare triple {21461#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {21461#true} is VALID [2022-04-15 15:05:25,782 INFO L272 TraceCheckUtils]: 6: Hoare triple {21461#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,782 INFO L290 TraceCheckUtils]: 7: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,782 INFO L290 TraceCheckUtils]: 8: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,782 INFO L290 TraceCheckUtils]: 9: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,782 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {21461#true} {21461#true} #79#return; {21461#true} is VALID [2022-04-15 15:05:25,782 INFO L290 TraceCheckUtils]: 11: Hoare triple {21461#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {21461#true} is VALID [2022-04-15 15:05:25,782 INFO L272 TraceCheckUtils]: 12: Hoare triple {21461#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,782 INFO L290 TraceCheckUtils]: 13: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,782 INFO L290 TraceCheckUtils]: 14: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,782 INFO L290 TraceCheckUtils]: 15: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,783 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {21461#true} {21461#true} #81#return; {21461#true} is VALID [2022-04-15 15:05:25,783 INFO L272 TraceCheckUtils]: 17: Hoare triple {21461#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,783 INFO L290 TraceCheckUtils]: 18: Hoare triple {21461#true} ~cond := #in~cond; {21520#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-15 15:05:25,783 INFO L290 TraceCheckUtils]: 19: Hoare triple {21520#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {21524#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 15:05:25,784 INFO L290 TraceCheckUtils]: 20: Hoare triple {21524#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {21524#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 15:05:25,784 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {21524#(not (= |assume_abort_if_not_#in~cond| 0))} {21461#true} #83#return; {21531#(<= 1 main_~x~0)} is VALID [2022-04-15 15:05:25,784 INFO L272 TraceCheckUtils]: 22: Hoare triple {21531#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,785 INFO L290 TraceCheckUtils]: 23: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,785 INFO L290 TraceCheckUtils]: 24: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,785 INFO L290 TraceCheckUtils]: 25: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,785 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {21461#true} {21531#(<= 1 main_~x~0)} #85#return; {21531#(<= 1 main_~x~0)} is VALID [2022-04-15 15:05:25,786 INFO L290 TraceCheckUtils]: 27: Hoare triple {21531#(<= 1 main_~x~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {21550#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,786 INFO L272 TraceCheckUtils]: 28: Hoare triple {21550#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,786 INFO L290 TraceCheckUtils]: 29: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,786 INFO L290 TraceCheckUtils]: 30: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,786 INFO L290 TraceCheckUtils]: 31: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,787 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {21461#true} {21550#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {21550#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,787 INFO L272 TraceCheckUtils]: 33: Hoare triple {21550#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,787 INFO L290 TraceCheckUtils]: 34: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,787 INFO L290 TraceCheckUtils]: 35: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,788 INFO L290 TraceCheckUtils]: 36: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,788 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {21461#true} {21550#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {21550#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,789 INFO L290 TraceCheckUtils]: 38: Hoare triple {21550#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {21550#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,790 INFO L290 TraceCheckUtils]: 39: Hoare triple {21550#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,790 INFO L290 TraceCheckUtils]: 40: Hoare triple {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,790 INFO L272 TraceCheckUtils]: 41: Hoare triple {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,790 INFO L290 TraceCheckUtils]: 42: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,790 INFO L290 TraceCheckUtils]: 43: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,791 INFO L290 TraceCheckUtils]: 44: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,791 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {21461#true} {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,792 INFO L272 TraceCheckUtils]: 46: Hoare triple {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,792 INFO L290 TraceCheckUtils]: 47: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,792 INFO L290 TraceCheckUtils]: 48: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,792 INFO L290 TraceCheckUtils]: 49: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,793 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {21461#true} {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,793 INFO L272 TraceCheckUtils]: 51: Hoare triple {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,793 INFO L290 TraceCheckUtils]: 52: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,793 INFO L290 TraceCheckUtils]: 53: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,793 INFO L290 TraceCheckUtils]: 54: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,794 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {21461#true} {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,794 INFO L272 TraceCheckUtils]: 56: Hoare triple {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,794 INFO L290 TraceCheckUtils]: 57: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,794 INFO L290 TraceCheckUtils]: 58: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,795 INFO L290 TraceCheckUtils]: 59: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,795 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {21461#true} {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,797 INFO L290 TraceCheckUtils]: 61: Hoare triple {21587#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,798 INFO L290 TraceCheckUtils]: 62: Hoare triple {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,798 INFO L272 TraceCheckUtils]: 63: Hoare triple {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,798 INFO L290 TraceCheckUtils]: 64: Hoare triple {21461#true} ~cond := #in~cond; {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:25,799 INFO L290 TraceCheckUtils]: 65: Hoare triple {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:25,799 INFO L290 TraceCheckUtils]: 66: Hoare triple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:25,800 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,800 INFO L272 TraceCheckUtils]: 68: Hoare triple {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,800 INFO L290 TraceCheckUtils]: 69: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,800 INFO L290 TraceCheckUtils]: 70: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,801 INFO L290 TraceCheckUtils]: 71: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,801 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {21461#true} {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,802 INFO L272 TraceCheckUtils]: 73: Hoare triple {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,802 INFO L290 TraceCheckUtils]: 74: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,802 INFO L290 TraceCheckUtils]: 75: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,802 INFO L290 TraceCheckUtils]: 76: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,803 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {21461#true} {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,803 INFO L272 TraceCheckUtils]: 78: Hoare triple {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,803 INFO L290 TraceCheckUtils]: 79: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,803 INFO L290 TraceCheckUtils]: 80: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,803 INFO L290 TraceCheckUtils]: 81: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,804 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {21461#true} {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,806 INFO L290 TraceCheckUtils]: 83: Hoare triple {21654#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {21723#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,807 INFO L290 TraceCheckUtils]: 84: Hoare triple {21723#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} assume !false; {21723#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,807 INFO L272 TraceCheckUtils]: 85: Hoare triple {21723#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,807 INFO L290 TraceCheckUtils]: 86: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,807 INFO L290 TraceCheckUtils]: 87: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,807 INFO L290 TraceCheckUtils]: 88: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,808 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {21461#true} {21723#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} #91#return; {21723#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,808 INFO L272 TraceCheckUtils]: 90: Hoare triple {21723#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,809 INFO L290 TraceCheckUtils]: 91: Hoare triple {21461#true} ~cond := #in~cond; {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:25,809 INFO L290 TraceCheckUtils]: 92: Hoare triple {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:25,809 INFO L290 TraceCheckUtils]: 93: Hoare triple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:25,811 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} {21723#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} #93#return; {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,811 INFO L272 TraceCheckUtils]: 95: Hoare triple {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,812 INFO L290 TraceCheckUtils]: 96: Hoare triple {21461#true} ~cond := #in~cond; {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:25,812 INFO L290 TraceCheckUtils]: 97: Hoare triple {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:25,812 INFO L290 TraceCheckUtils]: 98: Hoare triple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:25,813 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} #95#return; {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,813 INFO L272 TraceCheckUtils]: 100: Hoare triple {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,814 INFO L290 TraceCheckUtils]: 101: Hoare triple {21461#true} ~cond := #in~cond; {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:25,814 INFO L290 TraceCheckUtils]: 102: Hoare triple {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:25,815 INFO L290 TraceCheckUtils]: 103: Hoare triple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:25,815 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} #97#return; {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,816 INFO L290 TraceCheckUtils]: 105: Hoare triple {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {21791#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 (* main_~y~0 2))) (<= (* main_~y~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-15 15:05:25,819 INFO L290 TraceCheckUtils]: 106: Hoare triple {21791#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 (* main_~y~0 2))) (<= (* main_~y~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {21795#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:05:25,820 INFO L290 TraceCheckUtils]: 107: Hoare triple {21795#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {21795#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:05:25,820 INFO L290 TraceCheckUtils]: 108: Hoare triple {21795#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:05:25,821 INFO L290 TraceCheckUtils]: 109: Hoare triple {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:05:25,821 INFO L272 TraceCheckUtils]: 110: Hoare triple {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,821 INFO L290 TraceCheckUtils]: 111: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,821 INFO L290 TraceCheckUtils]: 112: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,822 INFO L290 TraceCheckUtils]: 113: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,822 INFO L284 TraceCheckUtils]: 114: Hoare quadruple {21461#true} {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:05:25,822 INFO L272 TraceCheckUtils]: 115: Hoare triple {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,823 INFO L290 TraceCheckUtils]: 116: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-15 15:05:25,823 INFO L290 TraceCheckUtils]: 117: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-15 15:05:25,823 INFO L290 TraceCheckUtils]: 118: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-15 15:05:25,824 INFO L284 TraceCheckUtils]: 119: Hoare quadruple {21461#true} {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:05:25,824 INFO L272 TraceCheckUtils]: 120: Hoare triple {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {21461#true} is VALID [2022-04-15 15:05:25,824 INFO L290 TraceCheckUtils]: 121: Hoare triple {21461#true} ~cond := #in~cond; {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:25,824 INFO L290 TraceCheckUtils]: 122: Hoare triple {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:25,825 INFO L290 TraceCheckUtils]: 123: Hoare triple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:25,826 INFO L284 TraceCheckUtils]: 124: Hoare quadruple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {21851#(and (<= (* main_~y~0 2) main_~x~0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:05:25,830 INFO L272 TraceCheckUtils]: 125: Hoare triple {21851#(and (<= (* main_~y~0 2) main_~x~0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {21855#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 15:05:25,830 INFO L290 TraceCheckUtils]: 126: Hoare triple {21855#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {21859#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:25,831 INFO L290 TraceCheckUtils]: 127: Hoare triple {21859#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {21462#false} is VALID [2022-04-15 15:05:25,831 INFO L290 TraceCheckUtils]: 128: Hoare triple {21462#false} assume !false; {21462#false} is VALID [2022-04-15 15:05:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 145 proven. 85 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-04-15 15:05:25,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:06:27,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:06:27,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532347428] [2022-04-15 15:06:27,063 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:06:27,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987520071] [2022-04-15 15:06:27,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987520071] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-15 15:06:27,063 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-15 15:06:27,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2022-04-15 15:06:27,063 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:06:27,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [313525805] [2022-04-15 15:06:27,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [313525805] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:06:27,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:06:27,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-04-15 15:06:27,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97067943] [2022-04-15 15:06:27,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:06:27,064 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 14 states have internal predecessors, (32), 9 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) Word has length 129 [2022-04-15 15:06:27,064 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:06:27,064 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 14 states have internal predecessors, (32), 9 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-15 15:06:27,158 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:06:27,158 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-04-15 15:06:27,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:06:27,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-04-15 15:06:27,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2022-04-15 15:06:27,159 INFO L87 Difference]: Start difference. First operand 264 states and 353 transitions. Second operand has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 14 states have internal predecessors, (32), 9 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-15 15:06:34,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:06:34,487 INFO L93 Difference]: Finished difference Result 272 states and 360 transitions. [2022-04-15 15:06:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-15 15:06:34,487 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 14 states have internal predecessors, (32), 9 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) Word has length 129 [2022-04-15 15:06:34,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 15:06:34,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 14 states have internal predecessors, (32), 9 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-15 15:06:34,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 120 transitions. [2022-04-15 15:06:34,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 14 states have internal predecessors, (32), 9 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-15 15:06:34,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 120 transitions. [2022-04-15 15:06:34,490 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 17 states and 120 transitions. [2022-04-15 15:06:34,657 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:06:34,662 INFO L225 Difference]: With dead ends: 272 [2022-04-15 15:06:34,662 INFO L226 Difference]: Without dead ends: 270 [2022-04-15 15:06:34,662 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 128 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=154, Invalid=658, Unknown=0, NotChecked=0, Total=812 [2022-04-15 15:06:34,663 INFO L913 BasicCegarLoop]: 47 mSDtfsCounter, 45 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-04-15 15:06:34,663 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 218 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-04-15 15:06:34,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-04-15 15:06:35,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 235. [2022-04-15 15:06:35,282 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 15:06:35,283 INFO L82 GeneralOperation]: Start isEquivalent. First operand 270 states. Second operand has 235 states, 127 states have (on average 1.1338582677165354) internal successors, (144), 128 states have internal predecessors, (144), 85 states have call successors, (85), 23 states have call predecessors, (85), 22 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-15 15:06:35,283 INFO L74 IsIncluded]: Start isIncluded. First operand 270 states. Second operand has 235 states, 127 states have (on average 1.1338582677165354) internal successors, (144), 128 states have internal predecessors, (144), 85 states have call successors, (85), 23 states have call predecessors, (85), 22 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-15 15:06:35,283 INFO L87 Difference]: Start difference. First operand 270 states. Second operand has 235 states, 127 states have (on average 1.1338582677165354) internal successors, (144), 128 states have internal predecessors, (144), 85 states have call successors, (85), 23 states have call predecessors, (85), 22 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-15 15:06:35,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:06:35,290 INFO L93 Difference]: Finished difference Result 270 states and 358 transitions. [2022-04-15 15:06:35,290 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 358 transitions. [2022-04-15 15:06:35,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:06:35,291 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:06:35,291 INFO L74 IsIncluded]: Start isIncluded. First operand has 235 states, 127 states have (on average 1.1338582677165354) internal successors, (144), 128 states have internal predecessors, (144), 85 states have call successors, (85), 23 states have call predecessors, (85), 22 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 270 states. [2022-04-15 15:06:35,292 INFO L87 Difference]: Start difference. First operand has 235 states, 127 states have (on average 1.1338582677165354) internal successors, (144), 128 states have internal predecessors, (144), 85 states have call successors, (85), 23 states have call predecessors, (85), 22 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 270 states. [2022-04-15 15:06:35,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:06:35,298 INFO L93 Difference]: Finished difference Result 270 states and 358 transitions. [2022-04-15 15:06:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 358 transitions. [2022-04-15 15:06:35,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:06:35,299 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:06:35,299 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 15:06:35,299 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 15:06:35,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 127 states have (on average 1.1338582677165354) internal successors, (144), 128 states have internal predecessors, (144), 85 states have call successors, (85), 23 states have call predecessors, (85), 22 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-15 15:06:35,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 312 transitions. [2022-04-15 15:06:35,307 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 312 transitions. Word has length 129 [2022-04-15 15:06:35,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 15:06:35,308 INFO L478 AbstractCegarLoop]: Abstraction has 235 states and 312 transitions. [2022-04-15 15:06:35,308 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 14 states have internal predecessors, (32), 9 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-15 15:06:35,308 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 235 states and 312 transitions. [2022-04-15 15:06:36,070 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 312 edges. 312 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:06:36,070 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 312 transitions. [2022-04-15 15:06:36,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-15 15:06:36,071 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 15:06:36,071 INFO L499 BasicCegarLoop]: trace histogram [16, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 15:06:36,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-04-15 15:06:36,271 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:06:36,271 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 15:06:36,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 15:06:36,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1899875875, now seen corresponding path program 9 times [2022-04-15 15:06:36,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 15:06:36,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [6924695] [2022-04-15 15:06:36,272 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 15:06:36,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1899875875, now seen corresponding path program 10 times [2022-04-15 15:06:36,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 15:06:36,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130262947] [2022-04-15 15:06:36,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 15:06:36,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 15:06:36,284 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 15:06:36,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1110361584] [2022-04-15 15:06:36,284 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-15 15:06:36,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:06:36,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 15:06:36,285 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 15:06:36,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-04-15 15:06:36,369 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-15 15:06:36,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 15:06:36,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 85 conjunts are in the unsatisfiable core [2022-04-15 15:06:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 15:06:36,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 15:06:38,669 INFO L272 TraceCheckUtils]: 0: Hoare triple {23509#true} call ULTIMATE.init(); {23509#true} is VALID [2022-04-15 15:06:38,669 INFO L290 TraceCheckUtils]: 1: Hoare triple {23509#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {23509#true} is VALID [2022-04-15 15:06:38,669 INFO L290 TraceCheckUtils]: 2: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,669 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23509#true} {23509#true} #103#return; {23509#true} is VALID [2022-04-15 15:06:38,669 INFO L272 TraceCheckUtils]: 4: Hoare triple {23509#true} call #t~ret6 := main(); {23509#true} is VALID [2022-04-15 15:06:38,669 INFO L290 TraceCheckUtils]: 5: Hoare triple {23509#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {23509#true} is VALID [2022-04-15 15:06:38,669 INFO L272 TraceCheckUtils]: 6: Hoare triple {23509#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,670 INFO L290 TraceCheckUtils]: 7: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,670 INFO L290 TraceCheckUtils]: 8: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,670 INFO L290 TraceCheckUtils]: 9: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,670 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {23509#true} {23509#true} #79#return; {23509#true} is VALID [2022-04-15 15:06:38,670 INFO L290 TraceCheckUtils]: 11: Hoare triple {23509#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {23509#true} is VALID [2022-04-15 15:06:38,670 INFO L272 TraceCheckUtils]: 12: Hoare triple {23509#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,670 INFO L290 TraceCheckUtils]: 13: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,670 INFO L290 TraceCheckUtils]: 14: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,670 INFO L290 TraceCheckUtils]: 15: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,670 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {23509#true} {23509#true} #81#return; {23509#true} is VALID [2022-04-15 15:06:38,670 INFO L272 TraceCheckUtils]: 17: Hoare triple {23509#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,671 INFO L290 TraceCheckUtils]: 18: Hoare triple {23509#true} ~cond := #in~cond; {23568#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-15 15:06:38,671 INFO L290 TraceCheckUtils]: 19: Hoare triple {23568#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {23572#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 15:06:38,671 INFO L290 TraceCheckUtils]: 20: Hoare triple {23572#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {23572#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 15:06:38,672 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {23572#(not (= |assume_abort_if_not_#in~cond| 0))} {23509#true} #83#return; {23579#(<= 1 main_~x~0)} is VALID [2022-04-15 15:06:38,672 INFO L272 TraceCheckUtils]: 22: Hoare triple {23579#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,672 INFO L290 TraceCheckUtils]: 23: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,672 INFO L290 TraceCheckUtils]: 24: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,672 INFO L290 TraceCheckUtils]: 25: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,672 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {23509#true} {23579#(<= 1 main_~x~0)} #85#return; {23579#(<= 1 main_~x~0)} is VALID [2022-04-15 15:06:38,673 INFO L290 TraceCheckUtils]: 27: Hoare triple {23579#(<= 1 main_~x~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {23598#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:06:38,673 INFO L272 TraceCheckUtils]: 28: Hoare triple {23598#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,673 INFO L290 TraceCheckUtils]: 29: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,673 INFO L290 TraceCheckUtils]: 30: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,673 INFO L290 TraceCheckUtils]: 31: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,674 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {23509#true} {23598#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {23598#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:06:38,674 INFO L272 TraceCheckUtils]: 33: Hoare triple {23598#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,674 INFO L290 TraceCheckUtils]: 34: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,674 INFO L290 TraceCheckUtils]: 35: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,674 INFO L290 TraceCheckUtils]: 36: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,675 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {23509#true} {23598#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {23598#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:06:38,675 INFO L290 TraceCheckUtils]: 38: Hoare triple {23598#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {23598#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:06:38,676 INFO L290 TraceCheckUtils]: 39: Hoare triple {23598#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:06:38,676 INFO L290 TraceCheckUtils]: 40: Hoare triple {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !false; {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:06:38,676 INFO L272 TraceCheckUtils]: 41: Hoare triple {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,676 INFO L290 TraceCheckUtils]: 42: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,676 INFO L290 TraceCheckUtils]: 43: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,676 INFO L290 TraceCheckUtils]: 44: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,677 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {23509#true} {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #91#return; {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:06:38,677 INFO L272 TraceCheckUtils]: 46: Hoare triple {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,677 INFO L290 TraceCheckUtils]: 47: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,677 INFO L290 TraceCheckUtils]: 48: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,678 INFO L290 TraceCheckUtils]: 49: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,678 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {23509#true} {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #93#return; {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:06:38,678 INFO L272 TraceCheckUtils]: 51: Hoare triple {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,679 INFO L290 TraceCheckUtils]: 52: Hoare triple {23509#true} ~cond := #in~cond; {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:06:38,679 INFO L290 TraceCheckUtils]: 53: Hoare triple {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:06:38,679 INFO L290 TraceCheckUtils]: 54: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:06:38,680 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #95#return; {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:06:38,680 INFO L272 TraceCheckUtils]: 56: Hoare triple {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,680 INFO L290 TraceCheckUtils]: 57: Hoare triple {23509#true} ~cond := #in~cond; {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:06:38,681 INFO L290 TraceCheckUtils]: 58: Hoare triple {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:06:38,682 INFO L290 TraceCheckUtils]: 59: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:06:38,683 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #97#return; {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:06:38,684 INFO L290 TraceCheckUtils]: 61: Hoare triple {23635#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {23704#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (not (<= main_~b~0 main_~c~0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:06:38,684 INFO L290 TraceCheckUtils]: 62: Hoare triple {23704#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (not (<= main_~b~0 main_~c~0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {23708#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,685 INFO L290 TraceCheckUtils]: 63: Hoare triple {23708#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {23708#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,685 INFO L290 TraceCheckUtils]: 64: Hoare triple {23708#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,686 INFO L290 TraceCheckUtils]: 65: Hoare triple {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,686 INFO L272 TraceCheckUtils]: 66: Hoare triple {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,686 INFO L290 TraceCheckUtils]: 67: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,686 INFO L290 TraceCheckUtils]: 68: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,686 INFO L290 TraceCheckUtils]: 69: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,687 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {23509#true} {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,687 INFO L272 TraceCheckUtils]: 71: Hoare triple {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,687 INFO L290 TraceCheckUtils]: 72: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,687 INFO L290 TraceCheckUtils]: 73: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,687 INFO L290 TraceCheckUtils]: 74: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,688 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {23509#true} {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,688 INFO L272 TraceCheckUtils]: 76: Hoare triple {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,688 INFO L290 TraceCheckUtils]: 77: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,688 INFO L290 TraceCheckUtils]: 78: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,688 INFO L290 TraceCheckUtils]: 79: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,689 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {23509#true} {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,689 INFO L272 TraceCheckUtils]: 81: Hoare triple {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,689 INFO L290 TraceCheckUtils]: 82: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,689 INFO L290 TraceCheckUtils]: 83: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,689 INFO L290 TraceCheckUtils]: 84: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,690 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {23509#true} {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #97#return; {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,690 INFO L290 TraceCheckUtils]: 86: Hoare triple {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,691 INFO L290 TraceCheckUtils]: 87: Hoare triple {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,691 INFO L272 TraceCheckUtils]: 88: Hoare triple {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,691 INFO L290 TraceCheckUtils]: 89: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,691 INFO L290 TraceCheckUtils]: 90: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,691 INFO L290 TraceCheckUtils]: 91: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,692 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {23509#true} {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,692 INFO L272 TraceCheckUtils]: 93: Hoare triple {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,692 INFO L290 TraceCheckUtils]: 94: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,692 INFO L290 TraceCheckUtils]: 95: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,692 INFO L290 TraceCheckUtils]: 96: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,694 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {23509#true} {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,694 INFO L272 TraceCheckUtils]: 98: Hoare triple {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,694 INFO L290 TraceCheckUtils]: 99: Hoare triple {23509#true} ~cond := #in~cond; {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:06:38,694 INFO L290 TraceCheckUtils]: 100: Hoare triple {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:06:38,695 INFO L290 TraceCheckUtils]: 101: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:06:38,695 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,695 INFO L272 TraceCheckUtils]: 103: Hoare triple {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,696 INFO L290 TraceCheckUtils]: 104: Hoare triple {23509#true} ~cond := #in~cond; {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:06:38,696 INFO L290 TraceCheckUtils]: 105: Hoare triple {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:06:38,696 INFO L290 TraceCheckUtils]: 106: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:06:38,697 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #97#return; {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,699 INFO L290 TraceCheckUtils]: 108: Hoare triple {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !(~c~0 >= ~b~0); {23849#(and (= (+ main_~c~0 main_~x~0) main_~y~0) (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 main_~y~0) (= main_~r~0 1) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (< (* main_~c~0 2) main_~y~0))} is VALID [2022-04-15 15:06:38,700 INFO L290 TraceCheckUtils]: 109: Hoare triple {23849#(and (= (+ main_~c~0 main_~x~0) main_~y~0) (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 main_~y~0) (= main_~r~0 1) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (< (* main_~c~0 2) main_~y~0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,701 INFO L290 TraceCheckUtils]: 110: Hoare triple {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,701 INFO L290 TraceCheckUtils]: 111: Hoare triple {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,702 INFO L290 TraceCheckUtils]: 112: Hoare triple {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,702 INFO L272 TraceCheckUtils]: 113: Hoare triple {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,702 INFO L290 TraceCheckUtils]: 114: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,702 INFO L290 TraceCheckUtils]: 115: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,702 INFO L290 TraceCheckUtils]: 116: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,703 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {23509#true} {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,703 INFO L272 TraceCheckUtils]: 118: Hoare triple {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,703 INFO L290 TraceCheckUtils]: 119: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:06:38,703 INFO L290 TraceCheckUtils]: 120: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:06:38,703 INFO L290 TraceCheckUtils]: 121: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:06:38,704 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {23509#true} {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,704 INFO L272 TraceCheckUtils]: 123: Hoare triple {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:06:38,704 INFO L290 TraceCheckUtils]: 124: Hoare triple {23509#true} ~cond := #in~cond; {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:06:38,704 INFO L290 TraceCheckUtils]: 125: Hoare triple {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:06:38,705 INFO L290 TraceCheckUtils]: 126: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:06:38,705 INFO L284 TraceCheckUtils]: 127: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 15:06:38,707 INFO L272 TraceCheckUtils]: 128: Hoare triple {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {23911#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 15:06:38,708 INFO L290 TraceCheckUtils]: 129: Hoare triple {23911#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {23915#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:06:38,708 INFO L290 TraceCheckUtils]: 130: Hoare triple {23915#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {23510#false} is VALID [2022-04-15 15:06:38,708 INFO L290 TraceCheckUtils]: 131: Hoare triple {23510#false} assume !false; {23510#false} is VALID [2022-04-15 15:06:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 121 proven. 114 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-04-15 15:06:38,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:08:54,481 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse7 (* c_main_~s~0 c_main_~k~0)) (.cse8 (* (- 1) c_main_~q~0 c_main_~k~0))) (let ((.cse11 (* (- 1) c_main_~q~0 c_main_~x~0 c_main_~k~0)) (.cse13 (* (- 1) c_main_~s~0 c_main_~y~0)) (.cse14 (* (- 1) c_main_~s~0 c_main_~y~0 c_main_~k~0)) (.cse1 (* c_main_~p~0 c_main_~x~0)) (.cse0 (* c_main_~r~0 c_main_~y~0)) (.cse15 (* (- 1) c_main_~q~0 c_main_~x~0)) (.cse12 (+ c_main_~p~0 .cse8)) (.cse16 (+ c_main_~r~0 (* (- 1) .cse7)))) (let ((.cse9 (* .cse16 c_main_~y~0)) (.cse10 (* .cse12 c_main_~x~0)) (.cse2 (+ c_main_~b~0 .cse11 .cse13 .cse14 .cse1 .cse0 .cse15))) (or (<= (+ c_main_~b~0 (* 2 .cse0) (* 2 .cse1)) (+ (* (* c_main_~q~0 c_main_~x~0) 2) (* 2 (* c_main_~s~0 c_main_~y~0)) (* 2 (* c_main_~q~0 c_main_~x~0 c_main_~k~0)) (* 2 (* c_main_~s~0 c_main_~y~0 c_main_~k~0)))) (not (= c_main_~c~0 .cse2)) (let ((.cse4 (+ c_main_~q~0 (* (- 1) c_main_~p~0) (* (- 1) .cse8))) (.cse6 (+ c_main_~s~0 .cse7 (* (- 1) c_main_~r~0)))) (let ((.cse3 (* .cse6 c_main_~y~0)) (.cse5 (* .cse4 c_main_~x~0))) (= (+ .cse3 (* .cse4 c_main_~xy~0) .cse5 (* c_main_~yy~0 .cse6)) (+ (* (+ .cse3 .cse5) c_main_~y~0) .cse3 .cse5)))) (not (= (+ .cse9 .cse10) .cse2)) (not (= (+ c_main_~b~0 .cse11 (* c_main_~xy~0 .cse12) .cse13 .cse14 .cse1 .cse0 .cse15 (* c_main_~yy~0 .cse16)) (+ .cse9 .cse10 (* .cse2 c_main_~y~0)))))))) is different from true [2022-04-15 15:09:33,500 WARN L232 SmtUtils]: Spent 18.85s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-15 15:10:21,475 INFO L290 TraceCheckUtils]: 131: Hoare triple {23510#false} assume !false; {23510#false} is VALID [2022-04-15 15:10:21,476 INFO L290 TraceCheckUtils]: 130: Hoare triple {23915#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {23510#false} is VALID [2022-04-15 15:10:21,476 INFO L290 TraceCheckUtils]: 129: Hoare triple {23911#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {23915#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:10:21,477 INFO L272 TraceCheckUtils]: 128: Hoare triple {23931#(= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {23911#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 15:10:21,478 INFO L284 TraceCheckUtils]: 127: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #95#return; {23931#(= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))} is VALID [2022-04-15 15:10:21,478 INFO L290 TraceCheckUtils]: 126: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:21,478 INFO L290 TraceCheckUtils]: 125: Hoare triple {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:21,479 INFO L290 TraceCheckUtils]: 124: Hoare triple {23509#true} ~cond := #in~cond; {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 15:10:21,479 INFO L272 TraceCheckUtils]: 123: Hoare triple {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:21,480 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {23509#true} {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #93#return; {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:10:21,480 INFO L290 TraceCheckUtils]: 121: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:21,480 INFO L290 TraceCheckUtils]: 120: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:21,480 INFO L290 TraceCheckUtils]: 119: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:21,480 INFO L272 TraceCheckUtils]: 118: Hoare triple {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:21,481 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {23509#true} {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #91#return; {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:10:21,481 INFO L290 TraceCheckUtils]: 116: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:21,481 INFO L290 TraceCheckUtils]: 115: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:21,481 INFO L290 TraceCheckUtils]: 114: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:21,481 INFO L272 TraceCheckUtils]: 113: Hoare triple {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:21,481 INFO L290 TraceCheckUtils]: 112: Hoare triple {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:10:21,482 INFO L290 TraceCheckUtils]: 111: Hoare triple {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:10:21,482 INFO L290 TraceCheckUtils]: 110: Hoare triple {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:10:23,485 WARN L290 TraceCheckUtils]: 109: Hoare triple {23991#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {23935#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is UNKNOWN [2022-04-15 15:10:23,486 INFO L290 TraceCheckUtils]: 108: Hoare triple {23995#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} assume !(~c~0 >= ~b~0); {23991#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-15 15:10:23,487 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23999#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #97#return; {23995#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-15 15:10:23,487 INFO L290 TraceCheckUtils]: 106: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:23,488 INFO L290 TraceCheckUtils]: 105: Hoare triple {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:23,488 INFO L290 TraceCheckUtils]: 104: Hoare triple {23509#true} ~cond := #in~cond; {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 15:10:23,488 INFO L272 TraceCheckUtils]: 103: Hoare triple {23999#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:23,489 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {24015#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #95#return; {23999#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-15 15:10:23,490 INFO L290 TraceCheckUtils]: 101: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:23,490 INFO L290 TraceCheckUtils]: 100: Hoare triple {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:23,490 INFO L290 TraceCheckUtils]: 99: Hoare triple {23509#true} ~cond := #in~cond; {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 15:10:23,490 INFO L272 TraceCheckUtils]: 98: Hoare triple {24015#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:23,491 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {23509#true} {24015#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #93#return; {24015#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-15 15:10:23,491 INFO L290 TraceCheckUtils]: 96: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:23,491 INFO L290 TraceCheckUtils]: 95: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:23,491 INFO L290 TraceCheckUtils]: 94: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:23,491 INFO L272 TraceCheckUtils]: 93: Hoare triple {24015#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:23,492 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {23509#true} {24015#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #91#return; {24015#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-15 15:10:23,492 INFO L290 TraceCheckUtils]: 91: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:23,492 INFO L290 TraceCheckUtils]: 90: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:23,492 INFO L290 TraceCheckUtils]: 89: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:23,493 INFO L272 TraceCheckUtils]: 88: Hoare triple {24015#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:23,493 INFO L290 TraceCheckUtils]: 87: Hoare triple {24015#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} assume !false; {24015#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-15 15:10:23,644 INFO L290 TraceCheckUtils]: 86: Hoare triple {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {24015#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-15 15:10:23,645 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {23509#true} {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #97#return; {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:10:23,645 INFO L290 TraceCheckUtils]: 84: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:23,645 INFO L290 TraceCheckUtils]: 83: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:23,646 INFO L290 TraceCheckUtils]: 82: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:23,646 INFO L272 TraceCheckUtils]: 81: Hoare triple {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:23,648 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {23509#true} {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #95#return; {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:10:23,648 INFO L290 TraceCheckUtils]: 79: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:23,648 INFO L290 TraceCheckUtils]: 78: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:23,648 INFO L290 TraceCheckUtils]: 77: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:23,648 INFO L272 TraceCheckUtils]: 76: Hoare triple {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:23,652 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {23509#true} {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #93#return; {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:10:23,652 INFO L290 TraceCheckUtils]: 74: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:23,652 INFO L290 TraceCheckUtils]: 73: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:23,652 INFO L290 TraceCheckUtils]: 72: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:23,652 INFO L272 TraceCheckUtils]: 71: Hoare triple {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:23,653 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {23509#true} {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #91#return; {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:10:23,653 INFO L290 TraceCheckUtils]: 69: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:23,653 INFO L290 TraceCheckUtils]: 68: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:23,653 INFO L290 TraceCheckUtils]: 67: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:23,654 INFO L272 TraceCheckUtils]: 66: Hoare triple {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:23,655 INFO L290 TraceCheckUtils]: 65: Hoare triple {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:10:23,656 INFO L290 TraceCheckUtils]: 64: Hoare triple {24131#(or (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {24064#(or (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-15 15:10:23,656 INFO L290 TraceCheckUtils]: 63: Hoare triple {24131#(or (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} assume !false; {24131#(or (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} is VALID [2022-04-15 15:10:25,659 WARN L290 TraceCheckUtils]: 62: Hoare triple {24138#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~y~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0))) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)))))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {24131#(or (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} is UNKNOWN [2022-04-15 15:10:25,660 INFO L290 TraceCheckUtils]: 61: Hoare triple {24142#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~y~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0))) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)))))} assume !(~c~0 >= ~b~0); {24138#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~y~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0))) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)))))} is VALID [2022-04-15 15:10:25,662 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23509#true} #97#return; {24142#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~y~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0))) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)))))} is VALID [2022-04-15 15:10:25,662 INFO L290 TraceCheckUtils]: 59: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:25,663 INFO L290 TraceCheckUtils]: 58: Hoare triple {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:25,663 INFO L290 TraceCheckUtils]: 57: Hoare triple {23509#true} ~cond := #in~cond; {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 15:10:25,663 INFO L272 TraceCheckUtils]: 56: Hoare triple {23509#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:25,663 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {23509#true} {23509#true} #95#return; {23509#true} is VALID [2022-04-15 15:10:25,663 INFO L290 TraceCheckUtils]: 54: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:25,663 INFO L290 TraceCheckUtils]: 53: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:25,663 INFO L290 TraceCheckUtils]: 52: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:25,664 INFO L272 TraceCheckUtils]: 51: Hoare triple {23509#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:25,664 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {23509#true} {23509#true} #93#return; {23509#true} is VALID [2022-04-15 15:10:25,664 INFO L290 TraceCheckUtils]: 49: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:25,664 INFO L290 TraceCheckUtils]: 48: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:25,664 INFO L290 TraceCheckUtils]: 47: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:25,664 INFO L272 TraceCheckUtils]: 46: Hoare triple {23509#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:25,664 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {23509#true} {23509#true} #91#return; {23509#true} is VALID [2022-04-15 15:10:25,664 INFO L290 TraceCheckUtils]: 44: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:25,664 INFO L290 TraceCheckUtils]: 43: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:25,664 INFO L290 TraceCheckUtils]: 42: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:25,664 INFO L272 TraceCheckUtils]: 41: Hoare triple {23509#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:25,664 INFO L290 TraceCheckUtils]: 40: Hoare triple {23509#true} assume !false; {23509#true} is VALID [2022-04-15 15:10:25,664 INFO L290 TraceCheckUtils]: 39: Hoare triple {23509#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23509#true} is VALID [2022-04-15 15:10:25,664 INFO L290 TraceCheckUtils]: 38: Hoare triple {23509#true} assume !false; {23509#true} is VALID [2022-04-15 15:10:25,665 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {23509#true} {23509#true} #89#return; {23509#true} is VALID [2022-04-15 15:10:25,665 INFO L290 TraceCheckUtils]: 36: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:25,665 INFO L290 TraceCheckUtils]: 35: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:25,665 INFO L290 TraceCheckUtils]: 34: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:25,665 INFO L272 TraceCheckUtils]: 33: Hoare triple {23509#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:25,665 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {23509#true} {23509#true} #87#return; {23509#true} is VALID [2022-04-15 15:10:25,665 INFO L290 TraceCheckUtils]: 31: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:25,665 INFO L290 TraceCheckUtils]: 30: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:25,665 INFO L290 TraceCheckUtils]: 29: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:25,665 INFO L272 TraceCheckUtils]: 28: Hoare triple {23509#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:25,665 INFO L290 TraceCheckUtils]: 27: Hoare triple {23509#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {23509#true} is VALID [2022-04-15 15:10:25,665 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {23509#true} {23509#true} #85#return; {23509#true} is VALID [2022-04-15 15:10:25,665 INFO L290 TraceCheckUtils]: 25: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:25,665 INFO L290 TraceCheckUtils]: 24: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:25,666 INFO L290 TraceCheckUtils]: 23: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:25,666 INFO L272 TraceCheckUtils]: 22: Hoare triple {23509#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:25,666 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {23509#true} {23509#true} #83#return; {23509#true} is VALID [2022-04-15 15:10:25,666 INFO L290 TraceCheckUtils]: 20: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:25,666 INFO L290 TraceCheckUtils]: 19: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:25,666 INFO L290 TraceCheckUtils]: 18: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:25,666 INFO L272 TraceCheckUtils]: 17: Hoare triple {23509#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:25,666 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {23509#true} {23509#true} #81#return; {23509#true} is VALID [2022-04-15 15:10:25,666 INFO L290 TraceCheckUtils]: 15: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:25,666 INFO L290 TraceCheckUtils]: 14: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:25,666 INFO L290 TraceCheckUtils]: 13: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:25,666 INFO L272 TraceCheckUtils]: 12: Hoare triple {23509#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:25,666 INFO L290 TraceCheckUtils]: 11: Hoare triple {23509#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {23509#true} is VALID [2022-04-15 15:10:25,666 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {23509#true} {23509#true} #79#return; {23509#true} is VALID [2022-04-15 15:10:25,667 INFO L290 TraceCheckUtils]: 9: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:25,667 INFO L290 TraceCheckUtils]: 8: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-15 15:10:25,667 INFO L290 TraceCheckUtils]: 7: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-15 15:10:25,667 INFO L272 TraceCheckUtils]: 6: Hoare triple {23509#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {23509#true} is VALID [2022-04-15 15:10:25,667 INFO L290 TraceCheckUtils]: 5: Hoare triple {23509#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {23509#true} is VALID [2022-04-15 15:10:25,667 INFO L272 TraceCheckUtils]: 4: Hoare triple {23509#true} call #t~ret6 := main(); {23509#true} is VALID [2022-04-15 15:10:25,667 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23509#true} {23509#true} #103#return; {23509#true} is VALID [2022-04-15 15:10:25,667 INFO L290 TraceCheckUtils]: 2: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-15 15:10:25,667 INFO L290 TraceCheckUtils]: 1: Hoare triple {23509#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {23509#true} is VALID [2022-04-15 15:10:25,667 INFO L272 TraceCheckUtils]: 0: Hoare triple {23509#true} call ULTIMATE.init(); {23509#true} is VALID [2022-04-15 15:10:25,668 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 141 proven. 60 refuted. 0 times theorem prover too weak. 348 trivial. 1 not checked. [2022-04-15 15:10:25,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:10:25,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130262947] [2022-04-15 15:10:25,668 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:10:25,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110361584] [2022-04-15 15:10:25,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110361584] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 15:10:25,668 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 15:10:25,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 28 [2022-04-15 15:10:25,669 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:10:25,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [6924695] [2022-04-15 15:10:25,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [6924695] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:10:25,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:10:25,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-04-15 15:10:25,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945446332] [2022-04-15 15:10:25,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:10:25,669 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 15 states have internal predecessors, (35), 7 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 132 [2022-04-15 15:10:25,670 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:10:25,670 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 15 states have internal predecessors, (35), 7 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-15 15:10:25,772 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:10:25,773 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-04-15 15:10:25,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:10:25,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-04-15 15:10:25,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=554, Unknown=5, NotChecked=50, Total=756 [2022-04-15 15:10:25,773 INFO L87 Difference]: Start difference. First operand 235 states and 312 transitions. Second operand has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 15 states have internal predecessors, (35), 7 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-15 15:10:38,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:10:38,484 INFO L93 Difference]: Finished difference Result 244 states and 320 transitions. [2022-04-15 15:10:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-15 15:10:38,484 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 15 states have internal predecessors, (35), 7 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 132 [2022-04-15 15:10:38,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 15:10:38,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 15 states have internal predecessors, (35), 7 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-15 15:10:38,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 125 transitions. [2022-04-15 15:10:38,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 15 states have internal predecessors, (35), 7 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-15 15:10:38,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 125 transitions. [2022-04-15 15:10:38,487 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 17 states and 125 transitions. [2022-04-15 15:10:38,674 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:10:38,679 INFO L225 Difference]: With dead ends: 244 [2022-04-15 15:10:38,679 INFO L226 Difference]: Without dead ends: 242 [2022-04-15 15:10:38,679 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 233 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 39.6s TimeCoverageRelationStatistics Valid=238, Invalid=949, Unknown=7, NotChecked=66, Total=1260 [2022-04-15 15:10:38,680 INFO L913 BasicCegarLoop]: 42 mSDtfsCounter, 40 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-04-15 15:10:38,680 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 282 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 989 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-04-15 15:10:38,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-04-15 15:10:39,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 239. [2022-04-15 15:10:39,322 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 15:10:39,322 INFO L82 GeneralOperation]: Start isEquivalent. First operand 242 states. Second operand has 239 states, 130 states have (on average 1.1307692307692307) internal successors, (147), 131 states have internal predecessors, (147), 85 states have call successors, (85), 24 states have call predecessors, (85), 23 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-15 15:10:39,323 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand has 239 states, 130 states have (on average 1.1307692307692307) internal successors, (147), 131 states have internal predecessors, (147), 85 states have call successors, (85), 24 states have call predecessors, (85), 23 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-15 15:10:39,323 INFO L87 Difference]: Start difference. First operand 242 states. Second operand has 239 states, 130 states have (on average 1.1307692307692307) internal successors, (147), 131 states have internal predecessors, (147), 85 states have call successors, (85), 24 states have call predecessors, (85), 23 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-15 15:10:39,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:10:39,328 INFO L93 Difference]: Finished difference Result 242 states and 318 transitions. [2022-04-15 15:10:39,329 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 318 transitions. [2022-04-15 15:10:39,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:10:39,329 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:10:39,330 INFO L74 IsIncluded]: Start isIncluded. First operand has 239 states, 130 states have (on average 1.1307692307692307) internal successors, (147), 131 states have internal predecessors, (147), 85 states have call successors, (85), 24 states have call predecessors, (85), 23 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 242 states. [2022-04-15 15:10:39,330 INFO L87 Difference]: Start difference. First operand has 239 states, 130 states have (on average 1.1307692307692307) internal successors, (147), 131 states have internal predecessors, (147), 85 states have call successors, (85), 24 states have call predecessors, (85), 23 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 242 states. [2022-04-15 15:10:39,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:10:39,336 INFO L93 Difference]: Finished difference Result 242 states and 318 transitions. [2022-04-15 15:10:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 318 transitions. [2022-04-15 15:10:39,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:10:39,337 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:10:39,337 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 15:10:39,337 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 15:10:39,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 130 states have (on average 1.1307692307692307) internal successors, (147), 131 states have internal predecessors, (147), 85 states have call successors, (85), 24 states have call predecessors, (85), 23 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-15 15:10:39,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 315 transitions. [2022-04-15 15:10:39,344 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 315 transitions. Word has length 132 [2022-04-15 15:10:39,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 15:10:39,344 INFO L478 AbstractCegarLoop]: Abstraction has 239 states and 315 transitions. [2022-04-15 15:10:39,344 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 15 states have internal predecessors, (35), 7 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-15 15:10:39,344 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 239 states and 315 transitions. [2022-04-15 15:10:40,131 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 315 edges. 315 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:10:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 315 transitions. [2022-04-15 15:10:40,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-04-15 15:10:40,136 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 15:10:40,136 INFO L499 BasicCegarLoop]: trace histogram [17, 16, 16, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 15:10:40,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-04-15 15:10:40,355 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:10:40,355 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 15:10:40,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 15:10:40,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1068997356, now seen corresponding path program 7 times [2022-04-15 15:10:40,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 15:10:40,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [869851236] [2022-04-15 15:10:40,356 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 15:10:40,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1068997356, now seen corresponding path program 8 times [2022-04-15 15:10:40,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 15:10:40,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421784636] [2022-04-15 15:10:40,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 15:10:40,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 15:10:40,369 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 15:10:40,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1718711459] [2022-04-15 15:10:40,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 15:10:40,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:10:40,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 15:10:40,370 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 15:10:40,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-04-15 15:10:40,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 15:10:40,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 15:10:40,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 44 conjunts are in the unsatisfiable core [2022-04-15 15:10:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 15:10:40,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 15:10:41,652 INFO L272 TraceCheckUtils]: 0: Hoare triple {25794#true} call ULTIMATE.init(); {25794#true} is VALID [2022-04-15 15:10:41,653 INFO L290 TraceCheckUtils]: 1: Hoare triple {25794#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {25794#true} is VALID [2022-04-15 15:10:41,653 INFO L290 TraceCheckUtils]: 2: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,653 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25794#true} {25794#true} #103#return; {25794#true} is VALID [2022-04-15 15:10:41,653 INFO L272 TraceCheckUtils]: 4: Hoare triple {25794#true} call #t~ret6 := main(); {25794#true} is VALID [2022-04-15 15:10:41,653 INFO L290 TraceCheckUtils]: 5: Hoare triple {25794#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {25794#true} is VALID [2022-04-15 15:10:41,653 INFO L272 TraceCheckUtils]: 6: Hoare triple {25794#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,653 INFO L290 TraceCheckUtils]: 7: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,655 INFO L290 TraceCheckUtils]: 8: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,655 INFO L290 TraceCheckUtils]: 9: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,655 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {25794#true} {25794#true} #79#return; {25794#true} is VALID [2022-04-15 15:10:41,655 INFO L290 TraceCheckUtils]: 11: Hoare triple {25794#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {25794#true} is VALID [2022-04-15 15:10:41,655 INFO L272 TraceCheckUtils]: 12: Hoare triple {25794#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,656 INFO L290 TraceCheckUtils]: 13: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,656 INFO L290 TraceCheckUtils]: 14: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,656 INFO L290 TraceCheckUtils]: 15: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,656 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {25794#true} {25794#true} #81#return; {25794#true} is VALID [2022-04-15 15:10:41,656 INFO L272 TraceCheckUtils]: 17: Hoare triple {25794#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,656 INFO L290 TraceCheckUtils]: 18: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,656 INFO L290 TraceCheckUtils]: 19: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,656 INFO L290 TraceCheckUtils]: 20: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,656 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {25794#true} {25794#true} #83#return; {25794#true} is VALID [2022-04-15 15:10:41,657 INFO L272 TraceCheckUtils]: 22: Hoare triple {25794#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,657 INFO L290 TraceCheckUtils]: 23: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,657 INFO L290 TraceCheckUtils]: 24: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,657 INFO L290 TraceCheckUtils]: 25: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,657 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {25794#true} {25794#true} #85#return; {25794#true} is VALID [2022-04-15 15:10:41,659 INFO L290 TraceCheckUtils]: 27: Hoare triple {25794#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {25880#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,660 INFO L272 TraceCheckUtils]: 28: Hoare triple {25880#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,660 INFO L290 TraceCheckUtils]: 29: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,660 INFO L290 TraceCheckUtils]: 30: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,660 INFO L290 TraceCheckUtils]: 31: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,661 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {25794#true} {25880#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {25880#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,661 INFO L272 TraceCheckUtils]: 33: Hoare triple {25880#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,661 INFO L290 TraceCheckUtils]: 34: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,661 INFO L290 TraceCheckUtils]: 35: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,661 INFO L290 TraceCheckUtils]: 36: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,662 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {25794#true} {25880#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {25880#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,663 INFO L290 TraceCheckUtils]: 38: Hoare triple {25880#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {25880#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,663 INFO L290 TraceCheckUtils]: 39: Hoare triple {25880#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,664 INFO L290 TraceCheckUtils]: 40: Hoare triple {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,664 INFO L272 TraceCheckUtils]: 41: Hoare triple {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,664 INFO L290 TraceCheckUtils]: 42: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,664 INFO L290 TraceCheckUtils]: 43: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,664 INFO L290 TraceCheckUtils]: 44: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,665 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {25794#true} {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,665 INFO L272 TraceCheckUtils]: 46: Hoare triple {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,665 INFO L290 TraceCheckUtils]: 47: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,666 INFO L290 TraceCheckUtils]: 48: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,666 INFO L290 TraceCheckUtils]: 49: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,667 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {25794#true} {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,667 INFO L272 TraceCheckUtils]: 51: Hoare triple {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,667 INFO L290 TraceCheckUtils]: 52: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,667 INFO L290 TraceCheckUtils]: 53: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,667 INFO L290 TraceCheckUtils]: 54: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,668 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {25794#true} {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,668 INFO L272 TraceCheckUtils]: 56: Hoare triple {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,668 INFO L290 TraceCheckUtils]: 57: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,668 INFO L290 TraceCheckUtils]: 58: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,668 INFO L290 TraceCheckUtils]: 59: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,669 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {25794#true} {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,672 INFO L290 TraceCheckUtils]: 61: Hoare triple {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,672 INFO L290 TraceCheckUtils]: 62: Hoare triple {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,672 INFO L272 TraceCheckUtils]: 63: Hoare triple {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,672 INFO L290 TraceCheckUtils]: 64: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,672 INFO L290 TraceCheckUtils]: 65: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,672 INFO L290 TraceCheckUtils]: 66: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,673 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {25794#true} {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,673 INFO L272 TraceCheckUtils]: 68: Hoare triple {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,673 INFO L290 TraceCheckUtils]: 69: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,673 INFO L290 TraceCheckUtils]: 70: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,673 INFO L290 TraceCheckUtils]: 71: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,674 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {25794#true} {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,674 INFO L272 TraceCheckUtils]: 73: Hoare triple {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,674 INFO L290 TraceCheckUtils]: 74: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,674 INFO L290 TraceCheckUtils]: 75: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,674 INFO L290 TraceCheckUtils]: 76: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,675 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {25794#true} {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,675 INFO L272 TraceCheckUtils]: 78: Hoare triple {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,675 INFO L290 TraceCheckUtils]: 79: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,675 INFO L290 TraceCheckUtils]: 80: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,675 INFO L290 TraceCheckUtils]: 81: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,676 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {25794#true} {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,677 INFO L290 TraceCheckUtils]: 83: Hoare triple {25984#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,677 INFO L290 TraceCheckUtils]: 84: Hoare triple {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,677 INFO L272 TraceCheckUtils]: 85: Hoare triple {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,677 INFO L290 TraceCheckUtils]: 86: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,678 INFO L290 TraceCheckUtils]: 87: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,678 INFO L290 TraceCheckUtils]: 88: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,678 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {25794#true} {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,678 INFO L272 TraceCheckUtils]: 90: Hoare triple {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,678 INFO L290 TraceCheckUtils]: 91: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,679 INFO L290 TraceCheckUtils]: 92: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,679 INFO L290 TraceCheckUtils]: 93: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,679 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {25794#true} {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,679 INFO L272 TraceCheckUtils]: 95: Hoare triple {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,679 INFO L290 TraceCheckUtils]: 96: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,679 INFO L290 TraceCheckUtils]: 97: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,680 INFO L290 TraceCheckUtils]: 98: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,680 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {25794#true} {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,680 INFO L272 TraceCheckUtils]: 100: Hoare triple {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,680 INFO L290 TraceCheckUtils]: 101: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,680 INFO L290 TraceCheckUtils]: 102: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,680 INFO L290 TraceCheckUtils]: 103: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,681 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {25794#true} {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,682 INFO L290 TraceCheckUtils]: 105: Hoare triple {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {26118#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,683 INFO L290 TraceCheckUtils]: 106: Hoare triple {26118#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {26118#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,683 INFO L272 TraceCheckUtils]: 107: Hoare triple {26118#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,683 INFO L290 TraceCheckUtils]: 108: Hoare triple {25794#true} ~cond := #in~cond; {26128#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:10:41,683 INFO L290 TraceCheckUtils]: 109: Hoare triple {26128#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {26132#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:41,684 INFO L290 TraceCheckUtils]: 110: Hoare triple {26132#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {26132#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:41,685 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {26132#(not (= |__VERIFIER_assert_#in~cond| 0))} {26118#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) main_~a~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,685 INFO L272 TraceCheckUtils]: 112: Hoare triple {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,685 INFO L290 TraceCheckUtils]: 113: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,685 INFO L290 TraceCheckUtils]: 114: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,685 INFO L290 TraceCheckUtils]: 115: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,686 INFO L284 TraceCheckUtils]: 116: Hoare quadruple {25794#true} {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} #93#return; {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,686 INFO L272 TraceCheckUtils]: 117: Hoare triple {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,686 INFO L290 TraceCheckUtils]: 118: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,686 INFO L290 TraceCheckUtils]: 119: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,686 INFO L290 TraceCheckUtils]: 120: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,687 INFO L284 TraceCheckUtils]: 121: Hoare quadruple {25794#true} {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} #95#return; {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,687 INFO L272 TraceCheckUtils]: 122: Hoare triple {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {25794#true} is VALID [2022-04-15 15:10:41,687 INFO L290 TraceCheckUtils]: 123: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-15 15:10:41,687 INFO L290 TraceCheckUtils]: 124: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-15 15:10:41,687 INFO L290 TraceCheckUtils]: 125: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-15 15:10:41,688 INFO L284 TraceCheckUtils]: 126: Hoare quadruple {25794#true} {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} #97#return; {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,688 INFO L290 TraceCheckUtils]: 127: Hoare triple {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} is VALID [2022-04-15 15:10:41,690 INFO L290 TraceCheckUtils]: 128: Hoare triple {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {26191#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~x~0 (* main_~y~0 3) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 (* (- 1) main_~s~0)) main_~x~0 (* main_~y~0 main_~s~0))) (= main_~q~0 1))} is VALID [2022-04-15 15:10:41,690 INFO L290 TraceCheckUtils]: 129: Hoare triple {26191#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~x~0 (* main_~y~0 3) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 (* (- 1) main_~s~0)) main_~x~0 (* main_~y~0 main_~s~0))) (= main_~q~0 1))} assume !false; {26191#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~x~0 (* main_~y~0 3) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 (* (- 1) main_~s~0)) main_~x~0 (* main_~y~0 main_~s~0))) (= main_~q~0 1))} is VALID [2022-04-15 15:10:41,691 INFO L290 TraceCheckUtils]: 130: Hoare triple {26191#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~x~0 (* main_~y~0 3) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 (* (- 1) main_~s~0)) main_~x~0 (* main_~y~0 main_~s~0))) (= main_~q~0 1))} assume !(0 != ~b~0); {26198#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) 0) (= (+ main_~x~0 (* main_~y~0 3) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 (* (- 1) main_~s~0)) main_~x~0 (* main_~y~0 main_~s~0))) (= main_~q~0 1))} is VALID [2022-04-15 15:10:41,691 INFO L272 TraceCheckUtils]: 131: Hoare triple {26198#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) 0) (= (+ main_~x~0 (* main_~y~0 3) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 (* (- 1) main_~s~0)) main_~x~0 (* main_~y~0 main_~s~0))) (= main_~q~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {26202#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 15:10:41,692 INFO L290 TraceCheckUtils]: 132: Hoare triple {26202#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {26206#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:10:41,692 INFO L290 TraceCheckUtils]: 133: Hoare triple {26206#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {25795#false} is VALID [2022-04-15 15:10:41,692 INFO L290 TraceCheckUtils]: 134: Hoare triple {25795#false} assume !false; {25795#false} is VALID [2022-04-15 15:10:41,693 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 67 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2022-04-15 15:10:41,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:10:53,870 WARN L914 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-15 15:10:53,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:10:53,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421784636] [2022-04-15 15:10:53,975 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:10:53,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718711459] [2022-04-15 15:10:53,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718711459] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-15 15:10:53,975 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-15 15:10:53,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-04-15 15:10:53,975 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:10:53,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [869851236] [2022-04-15 15:10:53,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [869851236] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:10:53,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:10:53,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-15 15:10:53,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963305470] [2022-04-15 15:10:53,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:10:53,976 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 8 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) Word has length 135 [2022-04-15 15:10:53,977 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:10:53,977 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 8 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) [2022-04-15 15:10:54,061 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:10:54,062 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-15 15:10:54,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:10:54,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-15 15:10:54,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-04-15 15:10:54,062 INFO L87 Difference]: Start difference. First operand 239 states and 315 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 8 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23)